HomeForecastsTexas ForecastsSan Martin Lake Channel, TX Coastal Forecast

San Martin Lake Channel, TX Coastal Forecast

FZUS54 KBRO 290256
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
956 PM CDT Sun Apr 28 2024

Lower Texas coastal waters from Baffin Bay to the mouth of the
Rio Grande out 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.

GMZ100-291515-
956 PM CDT Sun Apr 28 2024

.SYNOPSIS...The pressure gradient between the high across the
Gulf and the low across the Plains will continue to weaken
allowing for southeast winds to decrease overnight and into
Monday. While hazardous conditions are expected to persist over
the Gulf waters with elevated wave heights though late tonight.

$$

GMZ130-132-135-291515-
Laguna Madre from the Port of Brownsville to the Arroyo Colorado-
Laguna Madre from the Arroyo Colorado To 5 NM north of Port
Mansfield TX-
Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX-
956 PM CDT Sun Apr 28 2024

.REST OF TONIGHT...Southeast winds 10 to 15 knots decreasing to
5 to 10 knots. A moderate chop on the bay becoming light chop.
.MONDAY...Southeast winds 5 to 10 knots becoming east 10 to
15 knots in the afternoon. Light chop on the bay becoming a
moderate chop in the afternoon. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. A moderate chop on the bay becoming
light chop after midnight. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.TUESDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Light chop on the bay becoming a
moderate chop in the afternoon. A chance of showers and
thunderstorms, mainly in the morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots increasing to 20 to
25 knots with gusts up to 30 knots in the afternoon. A moderate
chop on the bay becoming rough in the afternoon. A slight chance
of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 20 to 25 knots with gusts up
to 30 knots decreasing to around 15 knots after midnight. Rough
on the bay becoming a moderate chop after midnight.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Choppy on the bay.
.THURSDAY NIGHT...Southeast winds around 15 knots. A moderate
chop on the bay. A slight chance of showers in the evening.
.FRIDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-291515-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
956 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT MONDAY...

.REST OF TONIGHT...Southeast winds around 10 knots. Seas 5 to
7 feet, with occasional seas up to 8 feet. A slight chance of
showers and thunderstorms late this evening.
.MONDAY...Southeast winds 5 to 10 knots becoming east 10 to
15 knots in the afternoon. Seas 4 to 6 feet, with occasional seas
up to 7 feet. A slight chance of showers.
.MONDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. Seas 4 to 5 feet. A slight chance of
showers in the evening. A slight chance of thunderstorms. A
chance of showers after midnight.
.TUESDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 4 to 5 feet. A chance of showers
in the morning. A slight chance of thunderstorms. A slight chance
of showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots with gusts up to 30 knots in the afternoon. Seas 4 to
6 feet, with occasional seas up to 7 feet. A slight chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to
7 feet, with occasional seas up to 8 feet.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
with occasional seas up to 8 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 5 to
7 feet, with occasional seas up to 8 feet. A slight chance of
showers. A slight chance of thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, with
occasional seas up to 7 feet. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-291515-
Gulf waters from Port Mansfield to the Rio Grande extending from
20 to 60 nm-
Gulf waters from Baffin Bay to Port Mansfield extending from
20 to 60 nm-
956 PM CDT Sun Apr 28 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT MONDAY...

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas 6 to
8 feet, with occasional seas up to 9 feet. A slight chance of
showers late this evening.
.MONDAY...Southeast winds 5 to 10 knots becoming east in the
afternoon. Seas 5 to 7 feet, with occasional seas up to 8 feet. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...East winds around 10 knots. Seas 5 to 7 feet,
with occasional seas up to 8 feet. A chance of showers with a
slight chance of thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 5 to 7 feet, with
occasional seas up to 8 feet subsiding to 4 to 5 feet in the
afternoon. A slight chance of showers and thunderstorms in the
morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet
building to 5 to 7 feet, with occasional seas up to 8 feet after
midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
with occasional seas up to 8 feet.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to
7 feet, with occasional seas up to 8 feet.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
with occasional seas up to 8 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 5 to
7 feet, with occasional seas up to 8 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet, with
occasional seas up to 8 feet. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet,
with occasional seas up to 7 feet. A slight chance of
thunderstorms in the evening. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$