405
FZUS54 KBRO 242141
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
341 PM CST Mon Nov 24 2025

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.

GMZ100-251015-
341 PM CST Mon Nov 24 2025

.SYNOPSIS...Adverse conditions will continue to improve this
afternoon as the pressure gradient along the lower Texas coast
gradually weakens. Generally favorable conditions are briefly
forecast to return Tuesday before a cold front Tuesday night
likely brings another round of adverse conditions. Chances for
showers and thunderstorms will return Tuesday night into Wednesday
morning.

$$

GMZ130-132-135-251015-
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-
341 PM CST Mon Nov 24 2025

...SMALL CRAFT CAUTION...

.REST OF TODAY...South winds 15 to 20 knots. Choppy on the bay.
.TONIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots early in the morning. A moderate chop on the bay,
diminishing to light chop early in the morning.
.TUESDAY...South winds 5 to 10 knots, becoming east in the
afternoon. Light chop on the bay, diminishing to smooth late in
the morning, then increasing to light chop in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast
10 to 15 knots early in the morning. Light chop on the bay,
increasing to a moderate chop early in the morning. A chance of
showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Choppy on the bay. A
chance of showers and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. A moderate
chop on the bay.
.THURSDAY...Northeast winds 10 to 15 knots. A moderate chop on
the bay.
.THURSDAY NIGHT...East winds 10 to 15 knots. A moderate chop on
the bay.
.FRIDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Choppy on the bay.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-251015-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
341 PM CST Mon Nov 24 2025

...SMALL CRAFT CAUTION...

.REST OF TODAY...South winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 5 feet at 7 seconds.
.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots early in the morning. Seas 3 to 5 feet. Wave Detail:
Southeast 4 feet at 6 seconds.
.TUESDAY...Southwest winds 5 to 10 knots, becoming east late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
6 seconds. A slight chance of showers early in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots, becoming northeast
15 to 20 knots early in the morning. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. A chance of showers in the
evening. A slight chance of thunderstorms late in the evening,
then showers likely with a chance of thunderstorms after
midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
7 seconds and east 2 feet at 5 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to
7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet after
midnight. Wave Detail: Northeast 5 feet at 7 seconds, becoming
northeast 4 feet at 6 seconds.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-251015-
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-
341 PM CST Mon Nov 24 2025

...SMALL CRAFT CAUTION...

.REST OF TODAY...South winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: South 5 feet at 6 seconds.
.TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: South 5 feet at 6 seconds. A slight chance of showers and
thunderstorms early in the morning.
.TUESDAY...Southwest winds 5 to 10 knots, becoming east late in
the afternoon. Seas 2 to 4 feet. Wave Detail: South 3 feet at
6 seconds. A slight chance of showers and thunderstorms until
late afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast
10 to 15 knots early in the morning. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers in the
evening. A slight chance of thunderstorms late in the evening,
then showers likely with a chance of thunderstorms after
midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
6 seconds and southeast 2 feet at 5 seconds. A chance of showers
and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at
6 seconds.
.THURSDAY...Northeast winds around 15 knots. Seas 4 to 5 feet.
.THURSDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$