389
FZUS54 KBRO 120853
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
253 AM CST Wed Nov 12 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.

GMZ100-122115-
253 AM CST Wed Nov 12 2025

.SYNOPSIS...Small Craft Advisories for the nearshore Gulf waters
and northern offshore Gulf waters continue over the next several
hours this morning. Small Craft will need to exercise caution on
all waters today and tonight on the Laguna and offshore southern
waters. Conditions will improve Wednesday morning before the
pressure gradient begins to increase again late Thursday. By
Friday afternoon/evening, Small Craft Advisories may be needed on
the Laguna Madre and Gulf waters through midday Saturday before
conditions begin to improve. There is a low chance of showers and
thunderstorms on the Gulf Saturday and Sunday.

$$

GMZ130-132-135-122115-
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-
253 AM CST Wed Nov 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...South winds 15 to 20 knots. Choppy on the bay.
.TONIGHT...South winds 10 to 15 knots. A moderate chop on the
bay.
.THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.FRIDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.SATURDAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. A moderate chop on the bay, increasing
to choppy in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.SUNDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.

$$

GMZ150-155-175-122115-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield extending from
20 to 60 nm-
253 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

.REST OF TODAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots this morning, then increasing to 15 to 20 knots this
afternoon. Seas 3 to 5 feet. Wave Detail: South 5 feet at
5 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A slight chance of showers
in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail:
Southeast 4 feet at 5 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 5 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A
slight chance of thunderstorms in the morning. A slight chance of
showers.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-122115-
Gulf waters from Port Mansfield to the Rio Grande extending from
20 to 60 nm-
253 AM CST Wed Nov 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Seas 3 to 5 feet. Wave Detail: Southeast
4 feet at 6 seconds.
.TONIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: South 3 feet at 4 seconds and east 3 feet at
7 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
.SATURDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A
slight chance of showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

$$