189
FZUS54 KBRO 250648
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1248 AM CST Tue Nov 25 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.

GMZ100-251930-
1248 AM CST Tue Nov 25 2025

.SYNOPSIS...Generally favorable conditions are briefly forecast
to return today before a cold front tonight likely brings another
round of adverse conditions. Chances for showers and thunderstorms
will return Tuesday night into Wednesday morning.

$$

GMZ130-132-135-251930-
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-
1248 AM CST Tue Nov 25 2025

.TODAY...Southwest winds 5 to 10 knots, becoming east this
afternoon. Light chop on the bay, diminishing to smooth late this
morning, then increasing to light chop this afternoon.
.TONIGHT...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 slight chance of
showers and thunderstorms late in the evening. A chance of
showers and thunderstorms after midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots, increasing to 20 to
25 knots early in the afternoon, then diminishing to 15 to
20 knots late in the afternoon. Choppy on the bay, increasing to
rough early in the afternoon, then diminishing to choppy late in
the afternoon. A slight chance of thunderstorms. A chance of
showers, 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 15 to 20 knots. Choppy on the bay.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay. A slight chance of showers after midnight.
.SATURDAY...South winds 15 to 20 knots. Choppy on the bay. A
chance of showers.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay. A slight chance of thunderstorms. A slight chance of showers
in the evening, then a chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-251930-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1248 AM CST Tue Nov 25 2025

.TODAY...Southwest winds 5 to 10 knots, becoming east late this
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
6 seconds. A slight chance of showers early this afternoon.
.TONIGHT...East winds 10 to 15 knots, becoming northeast early in
the morning. Seas 2 to 4 feet. Wave Detail: East 3 feet at
5 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 6 seconds. A
chance of showers and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 5 feet at 7 seconds.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: Northeast 4 feet at 6 seconds.
.THURSDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet.
Wave Detail: East 4 feet at 6 seconds.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
building to 5 to 7 feet, occasionally to 9 feet in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.SATURDAY...South winds around 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A chance of showers.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to
7 feet, occasionally to 9 feet. A chance of showers. A slight
chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-251930-
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-
1248 AM CST Tue Nov 25 2025

.TODAY...Southwest winds 5 to 10 knots, becoming around 5 knots
early this afternoon, then becoming east late this afternoon.
Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A
slight chance of showers. A slight chance of thunderstorms this
afternoon.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of
thunderstorms in the evening. A chance of showers. A chance of
thunderstorms after midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 6 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 6 feet at 7 seconds, becoming
northeast 5 feet at 7 seconds.
.THURSDAY...Northeast winds around 15 knots. Seas 4 to 5 feet.
Wave Detail: Northeast 4 feet at 6 seconds.
.THURSDAY NIGHT...East winds around 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.SATURDAY...South winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A chance of showers.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 6 to
8 feet, occasionally to 10 feet. A chance of showers in the
evening, then showers likely with a slight chance of
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$