680
FZUS54 KBRO 280532
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1232 AM CDT Thu Aug 28 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.

GMZ100-281815-
1232 AM CDT Thu Aug 28 2025

.SYNOPSIS...Marine conditions will be generally favorable with
light southeasterly winds and low seas through the forecast
period. Rain chances return again Sunday into early next week.

$$

GMZ130-132-135-281815-
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-
1232 AM CDT Thu Aug 28 2025

.TODAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots this afternoon. A moderate chop on the bay.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south early
in the morning. A moderate chop on the bay, diminishing to light
chop early in the morning.
.FRIDAY...South winds 10 to 15 knots, becoming southeast late in
the afternoon. A moderate chop on the bay.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. A moderate chop on the bay, diminishing to
light chop early in the morning.
.SATURDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. A moderate chop on the bay.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots early in the morning. A moderate chop on the bay,
diminishing to light chop early in the morning.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Light chop on the bay. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming around
5 knots early in the morning. Light chop on the bay, diminishing
to smooth early in the morning. A slight chance of showers and
thunderstorms early in the evening. A chance of showers with a
slight chance of thunderstorms after midnight.
.MONDAY...South winds around 5 knots, becoming northeast in the
afternoon. Light chop on the bay. A chance of showers and
thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots, becoming south early in
the morning. Light chop on the bay, diminishing to smooth after
midnight. A chance of showers and thunderstorms early in the
evening. A slight chance of showers late in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-281815-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1232 AM CDT Thu Aug 28 2025

.TODAY...South winds 5 to 10 knots, becoming southeast late this
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.FRIDAY...South winds around 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 6 seconds.
.SATURDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.SATURDAY NIGHT...Southeast winds around 10 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet
at 5 seconds and east 1 foot at 8 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms early in the
evening. A chance of showers and thunderstorms after midnight.
.MONDAY...South winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet. A chance of showers and
thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Seas 2 to 3 feet. A chance of showers and
thunderstorms early in the evening. A slight chance of showers
late in the evening, then a chance of showers and thunderstorms
after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-281815-
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-
1232 AM CDT Thu Aug 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 6 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds and east 1 foot at 9 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 5 seconds and east 2 feet at 8 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms until late afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms in the evening, then
a chance of showers and thunderstorms after midnight.
.MONDAY...South winds 5 to 10 knots, becoming north in the
afternoon, then becoming northeast late in the afternoon. Seas
2 to 3 feet. A chance of showers and thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms early in the evening. A
slight chance of showers late in the evening, then a chance of
showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$