176
FZUS54 KBRO 031744
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1244 PM CDT Wed Sep 3 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.

GMZ100-040615-
1244 PM CDT Wed Sep 3 2025

.SYNOPSIS...Favorable marine conditions are expected to continue
through the period. Light to moderate winds will likely continue
to support slight seas along the Lower Texas Coast. Showers and
thunderstorms will be possible over the waters this weekend.

$$

GMZ130-132-135-040615-
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-
1244 PM CDT Wed Sep 3 2025

.REST OF TODAY...Northeast winds 5 to 10 knots, becoming east
late this afternoon. Light chop on the bay.
.TONIGHT...Southeast winds around 10 knots, becoming south early
in the morning. Light chop on the bay.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Smooth on the bay, increasing to light chop in the
afternoon.
.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 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. A slight chance of showers in
the evening, then a chance of showers after midnight.
.SATURDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. A moderate chop on the bay. A slight
chance of thunderstorms in the morning. Showers likely. A chance
of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Light chop on the bay. A slight
chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.SUNDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Light chop on the bay. A chance of thunderstorms.
Showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay. A chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-040615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1244 PM CDT Wed Sep 3 2025

.REST OF TODAY...North winds 5 to 10 knots, becoming northeast
late this afternoon. Seas 2 to 3 feet. Wave Detail: North 1 foot
at 3 seconds and east 1 foot at 8 seconds.
.TONIGHT...East winds 5 to 10 knots, becoming south early in the
morning. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds
and east 1 foot at 7 seconds.
.THURSDAY...Southwest winds 5 to 10 knots, diminishing to around
5 knots late in the morning, then becoming southeast early in the
afternoon, increasing to 5 to 10 knots late in the afternoon.
Seas 1 to 2 feet. Wave Detail: East 1 foot at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet
at 4 seconds.
.FRIDAY...South winds around 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds. A slight chance of showers.
.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 4 seconds. A slight chance of showers early in the
evening, then a chance of showers in the late evening and
overnight. A slight chance of thunderstorms early in the morning.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Showers likely. A slight chance of thunderstorms in the morning,
then a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots, becoming 5 to
10 knots early in the morning. Seas 2 to 3 feet. A slight chance
of thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet. A chance of thunderstorms. Showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A chance of thunderstorms. Showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-040615-
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-
1244 PM CDT Wed Sep 3 2025

.REST OF TODAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 4 seconds and east 1 foot at
8 seconds.
.TONIGHT...East winds 5 to 10 knots, becoming south early in the
morning. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds.
.THURSDAY...Southwest winds around 5 knots, becoming west around
5 knots late in the morning, then becoming northeast early in the
afternoon, becoming east around 5 knots late in the afternoon.
Seas 1 to 2 feet. Wave Detail: East 1 foot at 6 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, increasing to
10 to 15 knots in the late evening and overnight. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 4 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds. A slight chance of
showers.
.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 4 seconds. A chance of showers in the evening, then
showers likely with a slight chance of thunderstorms after
midnight.
.SATURDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Showers with a slight chance of
thunderstorms early in the morning, then showers with a chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots, becoming 5 to
10 knots early in the morning. Seas 2 to 3 feet. A slight chance
of thunderstorms in the evening. Showers. A chance of
thunderstorms after midnight.
.SUNDAY...Southeast winds 5 to 10 knots, becoming east late in
the afternoon. Seas 2 to 3 feet. A chance of thunderstorms.
Showers.
.SUNDAY NIGHT...East winds around 10 knots, becoming southeast
early in the morning. Seas 2 to 3 feet. A chance of
thunderstorms. Showers.

Winds and seas higher in and near thunderstorms.

$$