994
FZUS54 KBRO 191742
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1142 AM CST Wed Nov 19 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.

GMZ100-200615-
1142 AM CST Wed Nov 19 2025

.SYNOPSIS...A more enhanced pressure gradient across the western
Gulf will increase southeasterly winds and build seas along the
lower Texas Coast Wednesday into Thursday. The chance of showers
and thunderstorms returns as a frontal boundary approaches
northern coastal waters Thursday into the weekend.

$$

GMZ130-132-135-200615-
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-
1142 AM CST Wed Nov 19 2025

.TONIGHT...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, increasing
to choppy in the afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to
10 to 15 knots early in the morning. Choppy on the bay,
diminishing to a moderate chop early in the morning.
.FRIDAY...South winds 10 to 15 knots. A moderate chop on the bay.
A slight chance of showers and thunderstorms early in the
afternoon. A slight chance of showers late in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of thunderstorms early in the
evening. A slight chance of showers in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A chance of showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers.
.SUNDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Choppy on the bay. A chance of
showers, mainly in the morning.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay. A slight chance of showers in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.MONDAY...South winds 15 to 20 knots, becoming southwest 10 to
15 knots late in the afternoon. Choppy on the bay, diminishing to
a moderate chop late in the afternoon. A slight chance of showers
in the morning.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of thunderstorms in the evening. A
slight chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-200615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1142 AM CST Wed Nov 19 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of
showers late in the morning.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 4 feet at 6 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds. A slight chance of showers
and thunderstorms early in the afternoon. A slight chance of
showers late in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of
thunderstorms early in the evening. A slight chance of showers in
the evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
thunderstorms early in the morning. Showers likely in the
morning, then a chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.SUNDAY...Southeast winds around 15 knots. Seas 4 to 5 feet. A
chance of showers, mainly in the morning.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet.
A slight chance of showers in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.MONDAY...South winds 15 to 20 knots. Seas 4 to 5 feet. A chance
of showers in the morning, then a slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...West winds around 15 knots, becoming northwest in
the late evening and overnight. Seas 3 to 4 feet. A slight chance
of thunderstorms in the evening. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-200615-
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-
1142 AM CST Wed Nov 19 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 4 feet at 6 seconds.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 4 feet at 6 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 7 seconds. A slight chance of
showers.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of
showers in the evening, then a chance of showers with a slight
chance of thunderstorms after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds. Showers likely with a
slight chance of thunderstorms in the morning, then a chance of
showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. A slight chance of showers.
.SUNDAY...Southeast winds around 15 knots. Seas 4 to 5 feet. A
chance of showers.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet.
A slight chance of showers in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.MONDAY...South winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet, subsiding to 4 to 5 feet in the
afternoon. A chance of showers in the morning, then a slight
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 15 knots, becoming northwest
after midnight. Seas 4 to 5 feet. A slight chance of showers and
thunderstorms in the evening, then a chance of showers after
midnight.

Winds and seas higher in and near thunderstorms.

$$