325
FZUS54 KBRO 161740
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1140 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.

GMZ100-170615-
1140 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 by mid-week. Conditions
could approach Small Craft Exercise Caution conditions all
afternoons this week especially for the Bay, and a Small Craft
Advisory may be needed by Wednesday into Thursday.

$$

GMZ130-132-135-170615-
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-
1140 AM CST Sun Nov 16 2025

.REST OF TODAY...South winds 5 to 10 knots, becoming southeast
10 to 15 knots this afternoon. Light chop on the bay, increasing
to a moderate chop 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 in the afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. A moderate chop on the bay, increasing
to choppy in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay. A slight chance of showers after midnight.
.THURSDAY...Southeast winds 15 to 20 knots. Choppy on the bay. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots. Choppy on the bay.
A slight chance of showers in the evening, then a chance of
showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-170615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1140 AM CST Sun Nov 16 2025

.REST OF TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 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.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 4 to 5 feet. A slight chance of
showers and thunderstorms early in the morning, then a slight
chance of showers late in the morning.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet. A slight 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.
.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.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-170615-
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-
1140 AM CST Sun Nov 16 2025

.REST OF TODAY...South winds around 10 knots. Seas 2 to 4 feet.
Wave Detail: South 3 feet at 5 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
5 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 4 feet at 6 seconds. A slight chance of showers.
.WEDNESDAY...Southeast winds around 15 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 slight chance of showers.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of showers.

$$