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Bayou Rigaud, Grand Isle Coastal Forecast

FZUS54 KLIX 200527
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1127 PM CST Fri Dec 19 2025

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-GMZ501-201800-
1127 PM CST Fri Dec 19 2025

.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...

Winds transition to easterly in the 10-15 kt range for a brief time
tonight and continue veering to southerly and 5-10 kts by Saturday
morning. These conditions hold through the remainder of the weekend.
As we move through the week a strong dome of high pressure dominates
and we see easterly winds at 5-10 kt. Beginning Tuesday, we see wave
heights at 3-4 ft in the offshore waters.

$$

GMZ530-201800-
Lake Pontchartrain and Lake Maurepas-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less, then around 2 feet.
.SATURDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet.
.SUNDAY...Southeast winds around 5 knots. Waves 1 foot or less. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet after midnight. A chance of showers, mainly in the
evening.
.MONDAY...East winds 5 to 10 knots. Waves around 2 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less.
.WEDNESDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-201800-
Lake Borgne-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...East winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SUNDAY...Southeast winds around 5 knots. Waves 1 foot or less. A
chance of showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet after midnight. A chance of showers, mainly in the
evening.
.MONDAY...East winds around 10 knots. Waves around 2 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less.
.WEDNESDAY...East winds around 5 knots. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less.

$$

GMZ532-201800-
Mississippi Sound-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...East winds around 10 knots. Waves around 2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less.
.SUNDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet after midnight. A chance of showers, mainly in the
evening.
.MONDAY...East winds around 10 knots. Waves around 2 feet. A slight
chance of showers in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...East winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less.
.WEDNESDAY...East winds around 5 knots. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less.

$$

GMZ536-538-201800-
Chandeleur Sound-Breton Sound-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...East winds around 10 knots. Waves around 2 feet.
.SATURDAY...South winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SUNDAY...Southeast winds around 5 knots. Waves 1 foot or less. A
chance of showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet after midnight. A chance of showers, mainly in the
evening.
.MONDAY...East winds around 10 knots. Waves around 2 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less.
.WEDNESDAY...East winds around 5 knots. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less.

$$

GMZ555-557-201800-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...East winds around 10 knots, becoming southeast
late. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds
and southeast 1 foot at 7 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: Southeast 2 feet at
5 seconds, becoming southeast 1 foot at 5 seconds.
.SUNDAY...Southeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds. A slight chance of showers in
the morning, then a chance of showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: Southeast 1 foot at
3 seconds, becoming east 1 foot at 3 seconds. A slight chance of
showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.WEDNESDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet.

$$

GMZ550-552-201800-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River to
Port Fourchon Louisiana out 20 NM-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 7 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 6 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: Southeast 1 foot at 4 seconds.
.SUNDAY...Southeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less,
then 1 to 2 feet after midnight. Wave Detail: South 1 foot at
4 seconds, becoming southeast 1 foot at 3 seconds. A chance of
showers, mainly in the evening.
.MONDAY...East winds around 10 knots. Seas 1 to 2 feet. Wave Detail:
Southeast 1 foot at 3 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 7 seconds.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ575-577-201800-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...East winds around 10 knots, becoming southeast
late. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and
west 1 foot at 5 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: Southeast 2 feet at
5 seconds, becoming southeast 1 foot at 4 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds. A slight chance of showers.
.SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: East
2 feet at 4 seconds. A slight chance of showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. A
slight chance of showers in the evening.
.TUESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: East 4 feet at 7 seconds.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

GMZ570-572-201800-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
1127 PM CST Fri Dec 19 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 4 seconds and southwest 1 foot at
5 seconds.
.SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 4 seconds and east 1 foot at 5 seconds.
A slight chance of showers in the morning, then a chance of showers
in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds and southwest 1 foot at 4 seconds.
A chance of showers, mainly in the evening.
.MONDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 5 seconds.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: East 4 feet at 7 seconds.
.TUESDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.WEDNESDAY...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$



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