859
FZUS54 KBRO 020613
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1213 AM CST Tue Dec 2 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.

GMZ100-021915-
1213 AM CST Tue Dec 2 2025

.SYNOPSIS...Hazardous marine conditions with a fresh breeze and
rough seas continue through Tuesday morning. A Small Craft
Advisory has been extended until 6 PM CST on Tuesday as seas will
likely remain moderate to rough. Moderate southerly winds and
slight seas are forecast to return by Wednesday. A cold front
Thursday could result in more adverse marine conditions through
late week.

$$

GMZ130-132-135-021915-
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-
1213 AM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Choppy on the bay, diminishing to a
moderate chop this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots, becoming west after
midnight, then becoming northwest early in the morning. Light
chop on the bay, diminishing to smooth after midnight.
.WEDNESDAY...Northwest winds 5 to 10 knots, becoming south in the
afternoon, then becoming southeast late in the afternoon. Light
chop on the bay. A chance of showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming
southwest early in the morning. Light chop on the bay. A chance
of showers.
.THURSDAY...West winds 5 to 10 knots, becoming north 10 to
15 knots in the afternoon, then increasing to 15 to 20 knots late
in the afternoon. Light chop on the bay, increasing to a moderate
chop in the afternoon, then increasing to choppy late in the
afternoon. A chance of showers in the morning. A slight chance of
thunderstorms late in the morning, then showers likely in the
afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots. Choppy on the bay.
Showers likely, mainly in the evening.
.FRIDAY...North winds 10 to 15 knots, diminishing to 5 to
10 knots late in the afternoon. A moderate chop on the bay,
diminishing to light chop late in the afternoon. A chance of
showers with a slight chance of thunderstorms in the morning,
then a slight chance of showers in the afternoon.
.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. A slight chance of showers
in the morning.
.SATURDAY NIGHT...East winds around 5 knots, becoming west early
in the morning. Smooth on the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-021915-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1213 AM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

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

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-021915-
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-
1213 AM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

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

Winds and seas higher in and near thunderstorms.

$$