436
FZUS54 KBRO 160701
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
101 AM CST Sun Nov 16 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.

GMZ100-161930-
101 AM CST Sun Nov 16 2025

.SYNOPSIS...A gradually more enhanced pressure gradient over
the western Gulf of America will produce increasing winds and
building seas along the Lower Texas Coast during the forecast.
Small Craft Should Exercise Caution and Small Craft Advisory
are likely to be needed beginning around Tuesday.

$$

GMZ130-132-135-161930-
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-
101 AM CST Sun Nov 16 2025

.TODAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots this afternoon. A light chop on the bay, increasing to a
moderate chop on the bay this afternoon.
.TONIGHT...South winds 10 to 15 knots. A moderate chop on the
bay.
.MONDAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. A moderate chop on the bay, increasing
to choppy bay waters in the afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.TUESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. A moderate chop on the bay, increasing
to choppy bay waters in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 15 to 20 knots. Choppy bay waters.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Choppy bay
waters. A slight chance of showers after midnight.
.THURSDAY...Southeast winds 20 to 25 knots. Rough bay waters. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots, becoming southeast
10 to 15 knots after midnight. Choppy bay waters, diminishing to
a moderate chop on the bay after midnight. A chance of showers. A
chance of thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-161930-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
101 AM CST Sun Nov 16 2025

.TODAY...South winds around 10 knots, becoming southeast this
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
6 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 5 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight
chance of showers and thunderstorms.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 4 to 5 feet.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
5 feet, building to 5 to 7 feet, occasionally to 9 feet after
midnight. A slight chance of showers and thunderstorms in the
evening, then a chance of showers after midnight.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A slight chance of showers. A slight
chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 5 feet. A chance of
showers. A chance of thunderstorms, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-161930-
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-
101 AM CST Sun Nov 16 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 5 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail:
Southeast 5 feet at 6 seconds. A slight chance of showers. A
slight chance of thunderstorms in the late evening and overnight.
.WEDNESDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet. A
slight chance of showers.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
5 feet, building to 5 to 7 feet, occasionally to 9 feet after
midnight. A chance of showers.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers. A slight
chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of showers. A chance of
thunderstorms, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$