802
FZUS54 KBRO 011741
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1141 AM CST Mon Dec 1 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.

GMZ100-020615-
1141 AM CST Mon Dec 1 2025

.SYNOPSIS...Hazardous marine conditions continue Monday into
Tuesday. A Small Craft Advisory has been extended until 6 PM CST
on Tuesday as seas will likely remain elevated even if winds do
slightly improve Monday afternoon. Generally favorable conditions
are forecast to return by Wednesday. A cold front late week could
result in more adverse marine conditions.

$$

GMZ130-132-135-020615-
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-
1141 AM CST Mon Dec 1 2025

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

.REST OF TODAY...Northwest winds around 20 knots. A moderate chop
on the bay.
.TONIGHT...North winds 15 to 20 knots. Choppy on the bay. A
slight chance of showers in the late evening and early morning.
.TUESDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots. Choppy on the bay, diminishing to light chop.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
late in the evening, then becoming southeast around 5 knots after
midnight. Light chop on the bay, diminishing to smooth in the
late evening and overnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Light chop on the
bay. A chance of showers in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Light chop on the
bay. A slight chance of thunderstorms in the evening. A chance of
showers.
.THURSDAY...Southwest winds 5 to 10 knots, becoming northwest
late in the morning, then becoming north in the afternoon. Light
chop on the bay, increasing to a moderate chop in the afternoon.
A slight chance of thunderstorms. A chance of showers in the
morning, then showers likely in the afternoon.
.THURSDAY NIGHT...North winds around 15 knots. A moderate chop on
the bay. Showers likely with a slight chance of thunderstorms.
.FRIDAY...North winds 10 to 15 knots. A moderate chop on the bay.
A slight chance of thunderstorms. A chance of showers, mainly in
the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots. Light chop 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.

$$

GMZ150-155-020615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1141 AM CST Mon Dec 1 2025

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

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

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-020615-
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-
1141 AM CST Mon Dec 1 2025

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

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

Winds and seas higher in and near thunderstorms.

$$