627
FZUS54 KBRO 032030 CCA
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast...CORRECTED
National Weather Service Brownsville TX
230 PM CST Wed Dec 3 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.

GMZ100-040630-
230 PM CST Wed Dec 3 2025

.SYNOPSIS...Gentle to moderate southerly winds and slight to
moderate seas continue through tonight ahead of a cold front
moving through tomorrow. Small Craft Exercise Caution, possibly
Small Craft Advisory, headlines are likely tomorrow afternoon
through tomorrow night as northerly winds increase to moderate,
resulting in moderate seas. Gentle to moderate winds and slight to
moderate seas return Friday.

$$

GMZ130-132-135-040630-
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-
230 PM CST Wed Dec 3 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Light chop on the
bay. A slight chance of showers this afternoon.
.TONIGHT...South winds 5 to 10 knots. Light chop on the bay. A
slight chance of showers until early morning.
.THURSDAY...South winds 5 to 10 knots, becoming north in the
afternoon, then increasing to 10 to 15 knots late in the
afternoon. Light chop on the bay, increasing to a moderate chop
late in the afternoon. A slight chance of thunderstorms in the
morning. A chance of showers. A chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots. Choppy on the bay.
A slight chance of thunderstorms early in the evening. Showers
likely in the evening, then a chance of showers after midnight.
.FRIDAY...North winds 10 to 15 knots. A moderate chop on the bay.
A chance of showers, mainly in the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots. Light chop on the bay.
A chance of showers.
.SATURDAY...North winds 5 to 10 knots, becoming northeast late in
the afternoon. Light chop on the bay.
.SATURDAY NIGHT...East winds around 5 knots, becoming west early
in the morning. Smooth on the bay.
.SUNDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Light chop on the bay.
.SUNDAY NIGHT...North winds 10 to 15 knots. A moderate chop on
the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-040630-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
230 PM CST Wed Dec 3 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 6 seconds. A slight chance of showers
and thunderstorms early this afternoon. A chance of showers with
a slight chance of thunderstorms late this afternoon.
.TONIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots early in the morning. Seas 2 to 4 feet. Wave Detail:
East 3 feet at 6 seconds. A slight chance of showers. A slight
chance of thunderstorms after midnight.
.THURSDAY...South winds around 10 knots, becoming northwest late
in the morning, then becoming north early in the afternoon,
increasing to 15 to 20 knots late in the afternoon. Seas 3 to
5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight
chance of thunderstorms in the morning. A chance of showers. A
chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: North 5 feet at 5 seconds.
Showers with a slight chance of thunderstorms in the evening,
then showers likely after midnight.
.FRIDAY...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet, subsiding to 3 to 4 feet in the
afternoon. Wave Detail: North 5 feet at 6 seconds, becoming
northeast 4 feet at 6 seconds and north 1 foot at 3 seconds. A
chance of showers.
.FRIDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Northeast 3 feet at 6 seconds. A chance of showers.
.SATURDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of showers in the morning.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming
southeast late in the evening, then becoming southwest after
midnight, becoming west early in the morning. Seas 2 to 3 feet.
.SUNDAY...Northwest winds around 10 knots, becoming north in the
afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-040630-
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-
230 PM CST Wed Dec 3 2025

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 6 seconds and southeast
2 feet at 3 seconds. A slight chance of showers late this
morning, then a chance of showers and thunderstorms this
afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds. A slight chance of
thunderstorms. A chance of showers until early morning, then a
slight chance of showers early in the morning.
.THURSDAY...South winds 10 to 15 knots, becoming southwest early
in the afternoon, then becoming north late in the afternoon. Seas
3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds and
northwest 3 feet at 4 seconds. A chance of showers with a slight
chance of thunderstorms in the morning, then showers likely with
a chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 5 feet at 6 seconds and
north 5 feet at 6 seconds. Showers. A chance of thunderstorms
early in the evening, then a slight chance of thunderstorms in
the late evening and overnight.
.FRIDAY...North winds 15 to 20 knots, diminishing to around
10 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: North 5 feet at 6 seconds. Showers likely,
mainly in the morning.
.FRIDAY NIGHT...Northeast winds around 10 knots. Seas 2 to
4 feet. Wave Detail: North 3 feet at 6 seconds. Showers likely,
mainly in the evening.
.SATURDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. A chance
of showers, mainly in the morning.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming
southwest after midnight, then becoming west early in the
morning. Seas 2 to 3 feet.
.SUNDAY...North winds around 10 knots, becoming 10 to 15 knots
late in the afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$