Coastal Waters Forecast
Issued by NWS Brownsville, TX

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811
FZUS54 KBRO 260553
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1253 AM CDT Sat Jul 26 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.

GMZ100-261815-
1253 AM CDT Sat Jul 26 2025

.SYNOPSIS...Isolated to scattered showers and thunderstorms will
continue through the weekend, with rain chances decreasing early
next week. otherwise, generally favorable marine conditions are
expected to continue, with light to moderate southeasterly winds
and slight to moderate seas.

$$

GMZ130-132-135-261815-
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-
1253 AM CDT Sat Jul 26 2025

.TODAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A chance of showers and thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.SUNDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A chance of showers until late afternoon. A slight chance of
thunderstorms in the afternoon. A slight chance of showers late
in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots early in the morning. A moderate chop on the bay,
diminishing to light chop early in the morning. A slight chance
of showers and thunderstorms early in the evening.
.MONDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots late in the afternoon. Light chop on the bay, increasing
to a moderate chop late in the afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Light chop on the bay.
.TUESDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Light chop on the bay.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Light chop on the bay.
.WEDNESDAY...South winds around 5 knots, becoming east in the
afternoon. Smooth on the bay, increasing to light chop in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming
south after midnight. Light chop on the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-261815-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1253 AM CDT Sat Jul 26 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A chance of showers and
thunderstorms this morning, then a slight chance of showers and
thunderstorms early this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of
thunderstorms. A chance of showers until late afternoon, then a
slight chance of showers late in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight
chance of showers and thunderstorms early in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Seas 3 to 4 feet. Wave Detail: Southeast
3 feet at 7 seconds.
.TUESDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 2 to 4 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet.
.WEDNESDAY...Southwest winds around 5 knots, becoming east early
in the afternoon, then increasing to 5 to 10 knots late in the
afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-261815-
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-
1253 AM CDT Sat Jul 26 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: South 3 feet at 5 seconds. A chance of showers and
thunderstorms until late afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers. A
slight chance of thunderstorms early in the morning, then a
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of
showers and thunderstorms early in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.TUESDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 2 to 4 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Seas 2 to 3 feet.
.WEDNESDAY...Southwest winds around 5 knots, becoming west late
in the morning, then becoming northeast early in the afternoon,
becoming east late in the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 1 to 2 feet.

Winds and seas higher in and near thunderstorms.

$$