Coastal Waters Forecast
Issued by NWS Brownsville, TX

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961
FZUS54 KBRO 130545
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1245 AM CDT Sun Jul 13 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.

GMZ100-131830-
1245 AM CDT Sun Jul 13 2025

.SYNOPSIS...Generally moderate winds and seas are expected through
the forecast with a modest pressure gradient in place along the
Lower Texas Coast. Although Small Craft Advisory is not likely to
be needed, Small Craft Should Exercise Caution cannot be entirely
ruled out due to winds, especially over the Laguna Madre.

$$

GMZ130-132-135-131830-
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-
1245 AM CDT Sun Jul 13 2025

.TODAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.TONIGHT...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 bay waters late in the afternoon.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots in the late evening and overnight. Choppy bay
waters, diminishing to a moderate chop on the bay in the late
evening and overnight.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Choppy bay waters.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots in the late evening and overnight. Choppy bay
waters, diminishing to a moderate chop on the bay in the late
evening and overnight.
.THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.THURSDAY 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 on the bay early in the morning.

$$

GMZ150-155-131830-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1245 AM CDT Sun Jul 13 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...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, becoming south
early in the morning. Seas 3 to 4 feet. Wave Detail: Southeast
3 feet at 6 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.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.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet.

$$

GMZ170-175-131830-
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-
1245 AM CDT Sun Jul 13 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...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 6 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.THURSDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds around 10 knots, becoming south
early in the morning. Seas 2 to 3 feet.

$$