388
FZUS54 KBRO 090025
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
625 PM CST Mon Dec 8 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.

GMZ100-091330-
625 PM CST Mon Dec 8 2025

.SYNOPSIS...Light to moderate winds and slight to moderate seas
are forecast to continue through the remainder of the week. Winds
will shift from the northeast to the southeast Tuesday afternoon.

$$

GMZ130-132-135-091330-
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-
625 PM CST Mon Dec 8 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Light chop on
the bay.
.TUESDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Smooth on the bay.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Light chop on the bay.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast late
in the afternoon. Light chop on the bay.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Light chop on the bay.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Smooth on the bay, increasing to light chop in the
afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on
the bay.
.FRIDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. A moderate chop on the bay.
.FRIDAY NIGHT...Southeast winds around 10 knots. Light chop on
the bay. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A chance of showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-091330-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
625 PM CST Mon Dec 8 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots late this evening and overnight. Seas 3 to 5 feet.
Wave Detail: Northeast 4 feet at 7 seconds and north 2 feet at
4 seconds.
.TUESDAY...Northeast winds around 5 knots, becoming east late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
7 seconds.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
7 seconds.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
.WEDNESDAY NIGHT...South winds around 10 knots, becoming 5 to
10 knots early in the morning. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 7 seconds and south 1 foot at 4 seconds.
.THURSDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 1 foot at
5 seconds.
.THURSDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
A slight chance of thunderstorms. A slight chance of showers in
the evening, then a chance of showers after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. A slight chance of showers in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-091330-
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-
625 PM CST Mon Dec 8 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to
6 feet, subsiding to 3 to 4 feet. Wave Detail: Northeast 5 feet
at 7 seconds, becoming northeast 4 feet at 7 seconds.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east late in
the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at
7 seconds.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 4 feet. Wave Detail: East 3 feet at
7 seconds and south 2 feet at 3 seconds.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
.WEDNESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and east 2 feet at
7 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...South winds around 10 knots. Seas 2 to 3 feet. A slight
chance of showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
A chance of showers and thunderstorms.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms in the morning. A chance of
showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A chance of showers. A slight chance of thunderstorms
after midnight.

Winds and seas higher in and near thunderstorms.

$$