145
FZUS54 KBRO 011040 AAA
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast...UPDATED
National Weather Service Brownsville TX
540 AM 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.

GMZ100-012315-
540 AM CDT Sat Nov 1 2025

.SYNOPSIS...Generally favorable conditions this morning. An
approaching cold front arrives late Saturday 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 Saturday night into Sunday
morning for the Gulf and Laguna Madre. Favorable conditions return
Monday, persisting through the workweek.

$$

GMZ130-132-135-012315-
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-
540 AM CDT Sat Nov 1 2025

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

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

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-012315-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
540 AM CDT Sat Nov 1 2025

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

.TODAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds. A slight chance of showers and
thunderstorms late this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots, becoming north 15 to
20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast
4 feet at 4 seconds and southeast 2 feet at 4 seconds. A chance
of showers in the evening. A chance of thunderstorms. Showers
likely after midnight.
.SUNDAY...North winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
6 seconds and south 1 foot at 5 seconds. A slight chance of
showers and thunderstorms in the morning, then a slight chance of
showers early in the afternoon.
.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 7 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 5 to 10 knots. 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.
.TUESDAY NIGHT...Southeast winds around 10 knots. 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.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-012315-
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-
540 AM CDT Sat Nov 1 2025

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

.TODAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds.
.TONIGHT...Southeast winds around 10 knots, becoming northeast
15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail:
Northeast 4 feet at 4 seconds and south 2 feet at 5 seconds. A
chance of showers in the evening. A chance of thunderstorms.
Showers after midnight.
.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 thunderstorms in the morning. A chance of
showers until late afternoon. A slight chance of showers late in
the afternoon.
.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 4 feet. Wave
Detail: Northeast 3 feet at 6 seconds.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 6 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
4 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.

Winds and seas higher in and near thunderstorms.

$$