Coastal Waters Forecast
Issued by NWS Brownsville, TX

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435
FZUS54 KBRO 121749
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1249 PM CDT Sat Jul 12 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.

GMZ100-130615-
1249 PM CDT Sat Jul 12 2025

.SYNOPSIS...An enhanced pressure gradient will result in moderate
to breezy southeasterly winds through this evening. This may
result Small Craft Exercise Caution (SCEC) conditions at times
this afternoon. Otherwise, moderate southeast winds and slight to
moderate seas will prevail into next week.

$$

GMZ130-132-135-130615-
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-
1249 PM CDT Sat Jul 12 2025

...SMALL CRAFT EXERCISE CAUTION THROUGH THIS EVENING...

.REST OF TODAY...Southeast winds 15 to 20 knots. Choppy on the
bay.
.TONIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. A moderate chop on the bay.
.SUNDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.MONDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.TUESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots late in the afternoon. A moderate chop on the bay,
increasing to choppy late in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots late in the afternoon. A moderate chop on the bay,
increasing to choppy late in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate
chop on the bay.

$$

GMZ150-155-130615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1249 PM CDT Sat Jul 12 2025

...SMALL CRAFT EXERCISE CAUTION THROUGH THIS AFTERNOON...

.REST OF TODAY...Southeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 6 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet.

$$

GMZ170-175-130615-
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-
1249 PM CDT Sat Jul 12 2025

...SMALL CRAFT EXERCISE CAUTION THROUGH THIS AFTERNOON...

.REST OF TODAY...Southeast winds around 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 6 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms in the morning.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$