594
FZUS54 KBRO 100556
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1256 AM CDT Fri Oct 10 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.

GMZ100-101830-
1256 AM CDT Fri Oct 10 2025

.SYNOPSIS...A weak cool front passage will maintain moderate
northeasterly to onshore winds, moderate seas through Friday, as
well as the chance for Small Craft Exercise Caution conditions. A
low to moderate (20 to 50 percent) chance of showers and
thunderstorms will continue through Friday morning, with chances
diminishing to near zero overnight. Primarily onshore light to
moderate onshore winds, primarily rain-free conditions, 7 to 8
second periods, and seas decreasing to slight Saturday through
early next week will continue.

$$

GMZ130-132-135-101830-
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-
1256 AM CDT Fri Oct 10 2025

.TODAY...Northeast winds 10 to 15 knots. A moderate chop on the
bay. A chance of showers early this morning, then a slight chance
of showers late this morning.
.TONIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. A moderate chop on the bay, diminishing
to light chop after midnight.
.SATURDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Light chop on the bay.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Light chop on the bay, diminishing to smooth
after midnight.
.SUNDAY...Southeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Smooth on the bay, increasing to light
chop in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
.MONDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Light chop on the bay, increasing to a
moderate chop in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
.TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. Light chop on the bay, increasing to a moderate
chop in the afternoon. A slight chance of showers late in the
morning.
.TUESDAY NIGHT...East winds 5 to 10 knots. Light chop on the bay.

$$

GMZ150-155-101830-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1256 AM CDT Fri Oct 10 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: Southeast 5 feet at 7 seconds. A chance of showers early
this morning, then a slight chance of showers late this morning.
.TONIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East
4 feet at 7 seconds.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 7 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at
7 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 8 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 8 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers early in the morning.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

$$

GMZ170-175-101830-
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-
1256 AM CDT Fri Oct 10 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Southeast 5 feet at 7 seconds. A chance of
showers early this morning.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 7 seconds.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 7 seconds.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at
8 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 8 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. A
slight chance of showers until early morning.
.TUESDAY...East winds around 10 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet.

$$