National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS54 KBRO 220908
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
408 AM CDT Mon Apr 22 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.

GMZ100-222215-
408 AM CDT Mon Apr 22 2024

.SYNOPSIS...

Moderate northeast winds and moderate will prevail along the Lower
Texas Coast today. Onshore flow will begin to develop by tonight
as high pressure slowly moves eastward. Onshore flow will then
increase by Wednesday into Thursday as the overall pressure
gradient strengthens. Isolated to scattered showers and
thunderstorms are expected today into tonight with the passage of
an upper level disturbance.

$$

GMZ130-132-135-222215-
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-
408 AM CDT Mon Apr 22 2024

.TODAY...Northeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers this morning, then a chance of
showers with a slight chance of thunderstorms this afternoon.
.TONIGHT...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 chance of showers with a slight
chance of thunderstorms in the evening.
.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.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 5 to 10 knots increasing to 15 to
20 knots in the afternoon. Light chop on the bay becoming choppy
in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate
chop on the bay.
.THURSDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. A moderate chop on the bay becoming
choppy in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Choppy on the bay.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Gusts to 30 knots
in the evening. Choppy on the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-222215-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
408 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.TODAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. A
slight chance of showers this morning, then a chance of showers
with a slight chance of thunderstorms this afternoon.
.TONIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. Seas 3 to 5 feet. A chance of showers
with a slight chance of thunderstorms in the evening.
.TUESDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet.
.THURSDAY NIGHT...Southeast winds around 20 knots with gusts up
to 30 knots. Seas 4 to 5 feet building to 5 to 7 feet, with
occasional seas up to 8 feet after midnight.
.FRIDAY...Southeast winds around 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, with occasional seas up to 8 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, with occasional seas up to 8 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-222215-
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-
408 AM CDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.TODAY...Northeast winds 10 to 15 knots. Seas 5 to 6 feet, with
occasional seas up to 7 feet. A chance of showers with a slight
chance of thunderstorms this afternoon.
.TONIGHT...East winds around 10 knots becoming southeast after
midnight. Seas 4 to 5 feet. A slight chance of showers and
thunderstorms in the evening.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 4 to 5 feet building to 5 to 7 feet, with
occasional seas up to 8 feet after midnight.
.FRIDAY...Southeast winds around 20 knots with gusts up to
30 knots. Seas 6 to 8 feet, with occasional seas up to 9 feet.
.FRIDAY NIGHT...Southeast winds around 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, with occasional seas up to 8 feet.

Winds and seas higher in and near thunderstorms.

$$