Coastal Waters Forecast
Issued by NWS Brownsville, TX

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932
FZUS54 KBRO 170532
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1232 AM CDT Thu Jul 17 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.

GMZ100-171815-
1232 AM CDT Thu Jul 17 2025

.SYNOPSIS...Generally moderate southeasterly winds and seas will
persist into next week, with high pressure in place at the
surface. Gusty southeasterly winds will create choppy conditions
across the bay each afternoon.

$$

GMZ130-132-135-171815-
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 AM CDT Thu Jul 17 2025

.TODAY...Southeast winds around 10 knots, becoming 10 to 15 knots
this afternoon. A moderate chop on the bay.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south 5 to
10 knots after midnight. Light chop on the bay.
.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. A moderate chop
on the bay.
.SATURDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.SUNDAY...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.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.MONDAY...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.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.

$$

GMZ150-155-171815-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1232 AM CDT Thu Jul 17 2025

.TODAY...Southeast winds around 10 knots, becoming 5 to 10 knots
late this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 5 seconds.
.TONIGHT...Southeast winds around 10 knots, becoming south early
in the morning. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 5 seconds.
.FRIDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
4 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds.
.SATURDAY NIGHT...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.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.

$$

GMZ170-175-171815-
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 AM CDT Thu Jul 17 2025

.TODAY...South winds 5 to 10 knots, becoming southeast this
afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at
5 seconds.
.TONIGHT...Southeast winds around 10 knots, becoming south early
in the morning. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 5 seconds.
.FRIDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
4 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
.SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 4 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

$$