478
FZUS54 KBRO 011742
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1242 PM CDT Sat Nov 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-
1242 PM CDT Sat Nov 1 2025

.SYNOPSIS...Generally favorable conditions this afternoon. An
approaching cold front arrives late tonight with thunderstorms
likely (70 to 80 percent) and briefly hazardous marine conditions
across the Gulf. Some of these storms could be severe. Small
Craft Advisory conditions are expected tonight into tomorrow
morning for the Gulf and Laguna Madre. Favorable conditions return
Monday, persisting through the workweek.

$$

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-
1242 PM CDT Sat Nov 1 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...

.TONIGHT...East winds around 10 knots, becoming northeast after
midnight, then increasing to 15 to 20 knots early this morning.
Light chop on the bay, increasing to a moderate chop after
midnight, then increasing to choppy early this morning. A chance
of thunderstorms.
.SUNDAY...North winds 15 to 20 knots. Choppy on the bay.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots in the late evening and overnight. A moderate chop
on the bay, diminishing to light chop in the late evening and
overnight.
.MONDAY...East winds 5 to 10 knots. Light chop on the bay.
.MONDAY NIGHT...East winds 5 to 10 knots, becoming southeast
early in the morning. Light chop on the bay, diminishing to
smooth early in the morning.
.TUESDAY...Southeast winds 5 to 10 knots. Light chop on the bay.
.TUESDAY NIGHT...Southeast winds around 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 around 10 knots, becoming
south early in the morning. Light chop on the bay.
.THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots late in the afternoon. Light chop on the bay, increasing
to a moderate chop late in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. A moderate chop on the bay.

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-
1242 PM CDT Sat Nov 1 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...

.TONIGHT...East winds around 10 knots, becoming northeast after
midnight, then increasing to 15 to 20 knots early this morning.
Seas 2 to 3 feet, building to 3 to 5 feet after midnight. Wave
Detail: Southeast 2 feet at 4 seconds, becoming northeast 3 feet
at 4 seconds. A chance of showers and thunderstorms early this
evening, then showers and thunderstorms likely late this evening
and early morning. A chance of showers and thunderstorms early
this morning.
.SUNDAY...North winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
6 seconds. A slight chance of showers and thunderstorms early in
the morning, then a slight chance of showers late in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail:
Northeast 5 feet at 6 seconds.
.MONDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 6 seconds.
.MONDAY NIGHT...East winds around 10 knots, becoming southeast
early in the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet
at 6 seconds.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming
south early in the morning. Seas 2 to 3 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet.

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-
1242 PM CDT Sat Nov 1 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...

.TONIGHT...East winds around 10 knots, becoming northeast after
midnight, then increasing to 15 to 20 knots early this morning.
Seas 2 to 3 feet, building to 3 to 5 feet after midnight. Wave
Detail: Southeast 2 feet at 4 seconds, becoming northeast 3 feet
at 4 seconds and south 2 feet at 5 seconds. A chance of
thunderstorms.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: North 6 feet at 6 seconds. A
slight chance of showers and thunderstorms early in the morning,
then a slight chance of showers late in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: North 5 feet at 6 seconds.
.MONDAY...Northeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 6 seconds.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 5 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds around 10 knots, becoming south
early in the morning. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$