945
FZUS54 KBRO 040531
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1231 AM CDT Fri Jul 4 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.

GMZ100-041830-
1231 AM CDT Fri Jul 4 2025

.SYNOPSIS...Light to moderate south to southeast winds and low
to moderate seas will continue through the period. Brief periods
of Small Craft Exercise Caution will be possible in the afternoon
on the Laguna Madre into Saturday. Otherwise, there is a low to
medium (20-40 percent) chance of showers and thunderstorms Sunday
through Tuesday as southeasterly winds increase moisture across
the Lower Texas coastal waters.

$$

GMZ130-132-135-041830-
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-
1231 AM CDT Fri Jul 4 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.
.SATURDAY...Southeast winds 10 to 15 knots, becoming around
15 knots late in the afternoon. A moderate chop on the bay.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.SUNDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A moderate chop on the bay.
.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.
.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. A slight chance of
showers until late 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 5 to 10 knots. Light chop on the bay.
A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Light chop on the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-041830-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1231 AM CDT Fri Jul 4 2025

.TODAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds and east 1 foot at
9 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds and east 1 foot at
9 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers until late afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 10 knots, becoming south
early in the morning. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-041830-
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-
1231 AM CDT Fri Jul 4 2025

.TODAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds and east 1 foot at
9 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds and east 1 foot at
10 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds and east 1 foot at
9 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds and southeast
1 foot at 9 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers until late afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms until late afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$