619
FZUS54 KBRO 301844
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
144 PM CDT Wed Jul 30 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.

GMZ100-310715-
144 PM CDT Wed Jul 30 2025

.SYNOPSIS...High pressure centered over the western Gulf will
produce gentle east to southeasterly winds, slight seas, and a
less than 10% chance of rain through the forecast. The flow may
become moderate along the coast in afternoons with sea breeze.

$$

GMZ130-132-135-310715-
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-
144 PM CDT Wed Jul 30 2025

.REST OF TODAY...East winds 5 to 10 knots. Light chop on the bay.
.TONIGHT...Southeast winds around 10 knots, becoming south after
midnight. Light chop on the bay.
.THURSDAY...South winds 5 to 10 knots, becoming southeast early
in the afternoon, then increasing to 10 to 15 knots late in the
afternoon. Light chop on the bay, increasing to a moderate chop
late in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. A moderate 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, becoming south
5 to 10 knots after midnight. A moderate chop on the bay,
diminishing to light chop early in the morning.
.SATURDAY...South winds 5 to 10 knots, becoming southeast early
in the afternoon, then increasing to 10 to 15 knots late in the
afternoon. Light chop on the bay, increasing to a moderate chop
late in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. A moderate chop on the bay,
diminishing to light chop early in the morning.
.SUNDAY...South winds 5 to 10 knots, becoming southeast early in
the afternoon, then increasing to 10 to 15 knots late in the
afternoon. Light chop on the bay, increasing to a moderate chop
late in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. A moderate chop on the bay.

$$

GMZ150-155-310715-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
144 PM CDT Wed Jul 30 2025

.REST OF TODAY...East winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
3 seconds and east 2 feet at 6 seconds.
.THURSDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: South 1 foot at
3 seconds and southeast 1 foot at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 4 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, becoming south
early in the morning. Seas 1 to 2 feet. Wave Detail: Southeast
2 feet at 4 seconds.
.SATURDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. Seas 2 to 3 feet.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet.

$$

GMZ170-175-310715-
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-
144 PM CDT Wed Jul 30 2025

.REST OF TODAY...North winds around 5 knots, becoming east late
this afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet
at 6 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds and southeast 1 foot at 2 seconds.
.THURSDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 1 to 2 feet. Wave Detail: South 1 foot at
3 seconds and east 1 foot at 6 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Seas 1 to 2 feet. Wave Detail: South 2 feet
at 3 seconds and east 1 foot at 7 seconds.
.FRIDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 1 to 2 feet. Wave Detail: South 2 feet at
4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot
at 4 seconds.
.SATURDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 1 to 2 feet.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming around
10 knots early in the morning. Seas 2 to 3 feet.
.SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
10 to 15 knots after midnight. Seas 2 to 3 feet.

$$