FZUS54 KLIX 181037
CWFLIX
Coastal Waters Forecast
National Weather Service New Orleans LA
536 AM CDT Tue Aug 18 2026
Pascagoula to Atchafalaya River out to 60 NM
Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
GMZ500-GMZ501-182300-
536 AM CDT Tue Aug 18 2026
.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
Surface high pressure centered over the central Gulf will maintain a
generally weak pressure gradient through much of the period. A
predominantly westerly flow will continue, with higher winds at
10 to 15 knots during the night and morning hours then generally
lighter wind speeds during the daylight hours. Isolated
thunderstorms will remain possible with winds and waves higher in
and near this activity, particularly during the overnight and early
morning hours.
$$
GMZ529-182300-
Lake Maurepas-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds around 5 knots, becoming southwest late. Seas
1 foot or less.
.TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet in the
evening, then 1 foot or less.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less.
.THURSDAY...West winds around 5 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ531-182300-
Lake Pontchartrain-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet this morning,
then 1 foot or less.
.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet.
.THURSDAY...West winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
.FRIDAY...West winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ532-182300-
Mississippi Sound-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
late this morning and early afternoon, then becoming southwest 10 to
15 knots late. Waves 2 to 3 feet. A slight chance of showers and
thunderstorms late.
.TONIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms in the evening.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to
3 feet.
.THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves around 2 feet. A slight chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms in the evening.
.SATURDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves 1 to 2 feet. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet.
Winds and waves higher in and near thunderstorms.
$$
GMZ533-182300-
Lake Salvador and Lake Cataouatche-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds around 5 knots, becoming southwest around
5 knots late. Seas 1 foot or less.
.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet in the
evening, then 1 foot or less.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less.
.THURSDAY...West winds around 5 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ534-182300-
Lake Borgne-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, becoming southwest around
5 knots. Waves around 2 feet this morning, then 1 foot or less.
.TONIGHT...West winds 10 to 15 knots. Waves around 2 feet.
.WEDNESDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less. A slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
10 to 15 knots after midnight. Waves around 2 feet.
.THURSDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet.
.FRIDAY...West winds around 10 knots, diminishing to around 5 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less. A slight chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less.
Winds and waves higher in and near thunderstorms.
$$
GMZ535-182300-
Breton Sound-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
late this morning and early afternoon, then becoming southwest late.
Seas 1 to 2 feet.
.TONIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 2 to 3 feet in the morning, then 1 foot or
less.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers and thunderstorms,
mainly in the morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ536-182300-
Chandeleur Sound-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, becoming southwest late. Waves
2 to 3 feet.
.TONIGHT...West winds 10 to 15 knots. Waves around 3 feet.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to
3 feet.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves 2 to 3 feet. A slight chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
.FRIDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves around 2 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Waves 1 to 2 feet. A slight
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Waves around 2 feet.
Winds and waves higher in and near thunderstorms.
$$
GMZ541-182300-
Terrebonne Bay-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less.
.TONIGHT...West winds around 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 2 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
.FRIDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 1 foot or less. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ543-182300-
Barataria Bay-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots, becoming southwest late. Seas
1 foot or less.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ551-182300-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 4 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds,
becoming west 2 feet at 3 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds, becoming southwest 2 feet at 3 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 4 seconds,
becoming west 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ553-182300-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet this morning,
then 1 foot or less. Wave Detail: West 1 foot at 3 seconds and
southeast 1 foot at 6 seconds.
.TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.WEDNESDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and southeast 1 foot at
5 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.THURSDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. A slight chance of showers
and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: West 1 foot at
4 seconds. A chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: West 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ554-182300-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.TONIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.WEDNESDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: West 2 feet at
3 seconds and south 1 foot at 6 seconds. A slight chance of showers
and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 1 to 2 feet. Wave Detail: West 2 feet at
3 seconds. A slight chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...West winds around 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds, becoming west 2 feet at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 2 feet at
3 seconds, becoming west 1 foot at 3 seconds. A chance of showers
and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds, becoming west 2 feet at 3 seconds. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A slight chance of showers
and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ557-182300-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, becoming southwest late. Seas
around 2 feet. Wave Detail: West 2 feet at 4 seconds.
.TONIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds.
.WEDNESDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and south 1 foot at 6 seconds. A
slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds and south 1 foot at
6 seconds.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: West 2 feet at 3 seconds, becoming west 1 foot at
3 seconds. A slight chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds. A slight chance of
showers and thunderstorms after midnight.
.FRIDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas around 2 feet in the morning, then
1 foot or less. Wave Detail: West 2 feet at 3 seconds, becoming west
1 foot at 3 seconds. A slight chance of showers and thunderstorms in
the morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 3 seconds. A slight chance of showers
and thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds. A chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 3 seconds.
Winds and seas higher in and near thunderstorms.
$$
GMZ570-182300-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 6 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds
and southeast 1 foot at 6 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds
and southeast 1 foot at 6 seconds, becoming west 1 foot at 3 seconds
and southeast 1 foot at 6 seconds.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds and southeast 1 foot at 6 seconds, becoming west 1 foot at
3 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 1 foot at 3 seconds,
becoming west 1 foot at 4 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms in the morning.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 4 seconds
and south 1 foot at 6 seconds, becoming west 1 foot at 4 seconds and
south 1 foot at 6 seconds. A chance of showers and thunderstorms,
mainly in the morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. A slight chance of showers
and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ572-182300-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 6 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds
and southeast 1 foot at 6 seconds, becoming west 2 feet at 3 seconds
and southeast 1 foot at 6 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
6 seconds.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: North 1 foot at
3 seconds and west 1 foot at 4 seconds, becoming west 2 feet at
3 seconds and southeast 1 foot at 5 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming north 1 foot at 3 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: West 1 foot at
4 seconds, becoming southwest 1 foot at 5 seconds. A chance of
showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: Southwest 1 foot at
5 seconds, becoming southwest 1 foot at 4 seconds. A slight chance
of showers and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ575-182300-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.TONIGHT...West winds 5 to 10 knots, increasing to 10 to 15 knots
after midnight. Seas around 2 feet. Wave Detail: West 2 feet at
3 seconds and north 1 foot at 3 seconds.
.WEDNESDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet
at 4 seconds and south 1 foot at 6 seconds. A slight chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: West
2 feet at 4 seconds and north 1 foot at 4 seconds.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: North 2 feet at
4 seconds and south 1 foot at 5 seconds. A chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and north 1 foot at 4 seconds. A
slight chance of showers and thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 4 seconds,
becoming west 2 feet at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 4 seconds,
becoming west 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. A chance of showers and
thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ577-182300-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds and south 1 foot at 6 seconds.
.TONIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
West 3 feet at 4 seconds and southeast 1 foot at 7 seconds.
.WEDNESDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 4 seconds and south 1 foot at 6 seconds.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. A slight chance of
showers and thunderstorms after midnight.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet
at 4 seconds and south 1 foot at 6 seconds. A chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and northeast 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds. A slight chance of showers
and thunderstorms.
Winds and seas higher in and near thunderstorms.
$$
CWFLIX
Coastal Waters Forecast
National Weather Service New Orleans LA
536 AM CDT Tue Aug 18 2026
Pascagoula to Atchafalaya River out to 60 NM
Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
GMZ500-GMZ501-182300-
536 AM CDT Tue Aug 18 2026
.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
Surface high pressure centered over the central Gulf will maintain a
generally weak pressure gradient through much of the period. A
predominantly westerly flow will continue, with higher winds at
10 to 15 knots during the night and morning hours then generally
lighter wind speeds during the daylight hours. Isolated
thunderstorms will remain possible with winds and waves higher in
and near this activity, particularly during the overnight and early
morning hours.
$$
GMZ529-182300-
Lake Maurepas-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds around 5 knots, becoming southwest late. Seas
1 foot or less.
.TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet in the
evening, then 1 foot or less.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less.
.THURSDAY...West winds around 5 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ531-182300-
Lake Pontchartrain-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet this morning,
then 1 foot or less.
.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet.
.THURSDAY...West winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
.FRIDAY...West winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ532-182300-
Mississippi Sound-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
late this morning and early afternoon, then becoming southwest 10 to
15 knots late. Waves 2 to 3 feet. A slight chance of showers and
thunderstorms late.
.TONIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms in the evening.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to
3 feet.
.THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves around 2 feet. A slight chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms in the evening.
.SATURDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves 1 to 2 feet. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet.
Winds and waves higher in and near thunderstorms.
$$
GMZ533-182300-
Lake Salvador and Lake Cataouatche-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds around 5 knots, becoming southwest around
5 knots late. Seas 1 foot or less.
.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet in the
evening, then 1 foot or less.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less.
.THURSDAY...West winds around 5 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ534-182300-
Lake Borgne-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, becoming southwest around
5 knots. Waves around 2 feet this morning, then 1 foot or less.
.TONIGHT...West winds 10 to 15 knots. Waves around 2 feet.
.WEDNESDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less. A slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
10 to 15 knots after midnight. Waves around 2 feet.
.THURSDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet.
.FRIDAY...West winds around 10 knots, diminishing to around 5 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less. A slight chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less.
Winds and waves higher in and near thunderstorms.
$$
GMZ535-182300-
Breton Sound-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
late this morning and early afternoon, then becoming southwest late.
Seas 1 to 2 feet.
.TONIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 2 to 3 feet in the morning, then 1 foot or
less.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers and thunderstorms,
mainly in the morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ536-182300-
Chandeleur Sound-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, becoming southwest late. Waves
2 to 3 feet.
.TONIGHT...West winds 10 to 15 knots. Waves around 3 feet.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to
3 feet.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves 2 to 3 feet. A slight chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
.FRIDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves around 2 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Waves 1 to 2 feet. A slight
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Waves around 2 feet.
Winds and waves higher in and near thunderstorms.
$$
GMZ541-182300-
Terrebonne Bay-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less.
.TONIGHT...West winds around 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 2 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
.FRIDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 1 foot or less. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ543-182300-
Barataria Bay-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots, becoming southwest late. Seas
1 foot or less.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ551-182300-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 4 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds,
becoming west 2 feet at 3 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds, becoming southwest 2 feet at 3 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 4 seconds,
becoming west 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ553-182300-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet this morning,
then 1 foot or less. Wave Detail: West 1 foot at 3 seconds and
southeast 1 foot at 6 seconds.
.TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.WEDNESDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and southeast 1 foot at
5 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.THURSDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. A slight chance of showers
and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: West 1 foot at
4 seconds. A chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: West 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ554-182300-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.TONIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.WEDNESDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: West 2 feet at
3 seconds and south 1 foot at 6 seconds. A slight chance of showers
and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 1 to 2 feet. Wave Detail: West 2 feet at
3 seconds. A slight chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...West winds around 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds, becoming west 2 feet at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 2 feet at
3 seconds, becoming west 1 foot at 3 seconds. A chance of showers
and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds, becoming west 2 feet at 3 seconds. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A slight chance of showers
and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ557-182300-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots, becoming southwest late. Seas
around 2 feet. Wave Detail: West 2 feet at 4 seconds.
.TONIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds.
.WEDNESDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and south 1 foot at 6 seconds. A
slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds and south 1 foot at
6 seconds.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: West 2 feet at 3 seconds, becoming west 1 foot at
3 seconds. A slight chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds. A slight chance of
showers and thunderstorms after midnight.
.FRIDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas around 2 feet in the morning, then
1 foot or less. Wave Detail: West 2 feet at 3 seconds, becoming west
1 foot at 3 seconds. A slight chance of showers and thunderstorms in
the morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 3 seconds. A slight chance of showers
and thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds. A chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 3 seconds.
Winds and seas higher in and near thunderstorms.
$$
GMZ570-182300-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 6 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds
and southeast 1 foot at 6 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds
and southeast 1 foot at 6 seconds, becoming west 1 foot at 3 seconds
and southeast 1 foot at 6 seconds.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds and southeast 1 foot at 6 seconds, becoming west 1 foot at
3 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 1 foot at 3 seconds,
becoming west 1 foot at 4 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms in the morning.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 4 seconds
and south 1 foot at 6 seconds, becoming west 1 foot at 4 seconds and
south 1 foot at 6 seconds. A chance of showers and thunderstorms,
mainly in the morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. A slight chance of showers
and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ572-182300-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 6 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds
and southeast 1 foot at 6 seconds, becoming west 2 feet at 3 seconds
and southeast 1 foot at 6 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
6 seconds.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: North 1 foot at
3 seconds and west 1 foot at 4 seconds, becoming west 2 feet at
3 seconds and southeast 1 foot at 5 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming north 1 foot at 3 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: West 1 foot at
4 seconds, becoming southwest 1 foot at 5 seconds. A chance of
showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: Southwest 1 foot at
5 seconds, becoming southwest 1 foot at 4 seconds. A slight chance
of showers and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ575-182300-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.TONIGHT...West winds 5 to 10 knots, increasing to 10 to 15 knots
after midnight. Seas around 2 feet. Wave Detail: West 2 feet at
3 seconds and north 1 foot at 3 seconds.
.WEDNESDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet
at 4 seconds and south 1 foot at 6 seconds. A slight chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: West
2 feet at 4 seconds and north 1 foot at 4 seconds.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: North 2 feet at
4 seconds and south 1 foot at 5 seconds. A chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and north 1 foot at 4 seconds. A
slight chance of showers and thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 4 seconds,
becoming west 2 feet at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 4 seconds,
becoming west 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. A chance of showers and
thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ577-182300-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
537 AM CDT Tue Aug 18 2026
.TODAY...West winds 10 to 15 knots. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds and south 1 foot at 6 seconds.
.TONIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
West 3 feet at 4 seconds and southeast 1 foot at 7 seconds.
.WEDNESDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 4 seconds and south 1 foot at 6 seconds.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. A slight chance of
showers and thunderstorms after midnight.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet
at 4 seconds and south 1 foot at 6 seconds. A chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and northeast 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds. A slight chance of showers
and thunderstorms.
Winds and seas higher in and near thunderstorms.
$$