908
FZUS54 KBRO 271732
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1232 PM CDT Wed Aug 27 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.

GMZ100-280615-
1232 PM CDT Wed Aug 27 2025

.SYNOPSIS...Marine conditions will be generally favorable with
light southeasterly winds and low seas through the forecast
period. There is a chance of showers and thunderstorms through
this evening and atmospheric conditions will be favorable for
funnel clouds and waterspouts near any shower or thunderstorm.
Rain chances return once again Sunday into early next week.

$$

GMZ130-132-135-280615-
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 PM CDT Wed Aug 27 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-280615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1232 PM CDT Wed Aug 27 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-280615-
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 PM CDT Wed Aug 27 2025

.TONIGHT...Southeast winds around 10 knots, becoming south early
this morning. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.THURSDAY 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.
.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 5 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 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. A slight chance of
showers and thunderstorms after midnight.
.SUNDAY...Southeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet. A slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming southeast
early in the morning. 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...Southeast winds 5 to 10 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. A chance of showers. A chance of
thunderstorms until late afternoon, then a slight chance of
thunderstorms late in the afternoon.
.MONDAY NIGHT...East 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 with a slight chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$