178
FZUS54 KBRO 081803
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1203 PM CST Sat Nov 8 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.

GMZ100-090645-
1203 PM CST Sat Nov 8 2025

.SYNOPSIS...Generally favorable marine conditions will prevail
through late tonight over the Gulf waters and Laguna Madre. A
strong cold front is expected to track across the waters Sunday
morning, which will bring hazardous marine conditions Sunday
afternoon through at least Monday evening. A Gale Watch is in
effect from Sunday morning through Monday morning for the Gulf
waters, and a Small Craft Advisory is in effect for the Laguna
Madre from Sunday morning through Monday afternoon. Guidance
indicates there is a potential for frequent Gale-force gusts over
the Gulf waters. Otherwise, seas are expected to increase to
around 10-13 feet Sunday night into Monday before gradually
improving Monday evening. Conditions should improve by Monday
night/Tuesday morning and will stay somewhat favorable before
Small Craft Advisory/SCEC conditions become possible again on
Wednesday.

$$

GMZ130-132-135-090645-
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-
1203 PM CST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...

.TONIGHT...South winds 5 to 10 knots. Light chop on the bay.
Patchy fog early this morning.
.SUNDAY...North winds 20 to 25 knots with gusts up to 35 knots.
Rough on the bay. Patchy fog early in the morning.
.SUNDAY NIGHT...North winds 20 to 25 knots with gusts up to
30 knots. Rough on the bay.
.MONDAY...North winds 20 to 25 knots. Rough on the bay.
.MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
around 5 knots after midnight. A moderate chop on the bay,
diminishing to smooth after midnight.
.TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Light chop on the bay, increasing to a
moderate chop in the afternoon.
.TUESDAY NIGHT...South winds 15 to 20 knots. Choppy on the bay.
.WEDNESDAY...South winds 15 to 20 knots. Choppy on the bay.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate
chop on the bay.
.THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.

$$

GMZ150-155-090645-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1203 PM CST Sat Nov 8 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TONIGHT...South winds around 10 knots, becoming southwest after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds.
.SUNDAY...North winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 3 to 5 feet, building to 6 to
8 feet, occasionally to 10 feet in the afternoon. Wave Detail:
Northeast 8 feet at 7 seconds. A slight chance of showers late in
the morning.
.SUNDAY NIGHT...North winds 20 to 25 knots, increasing to 25 to
30 knots after midnight. Seas 8 to 11 feet, occasionally to
14 feet, building to 9 to 13 feet, occasionally to 17 feet after
midnight. Wave Detail: Northeast 11 feet at 8 seconds and north
7 feet at 5 seconds.
.MONDAY...North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots in the afternoon. Seas 8 to
13 feet, occasionally to 17 feet, subsiding to 6 to 9 feet,
occasionally to 11 feet in the afternoon. Wave Detail: North
12 feet at 7 seconds.
.MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 3 to 4 feet after midnight. Wave Detail:
Northeast 5 feet at 7 seconds.
.TUESDAY...Southeast winds 5 to 10 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 4 seconds and east 3 feet at 7 seconds.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet.
.WEDNESDAY...South winds 15 to 20 knots. Seas 3 to 5 feet.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots, becoming south
10 to 15 knots after midnight. Seas 3 to 4 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet.

$$

GMZ170-175-090645-
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-
1203 PM CST Sat Nov 8 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.TONIGHT...South winds around 10 knots, becoming southwest after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds.
.SUNDAY...North winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 3 to 5 feet, building to 6 to
9 feet, occasionally to 11 feet in the afternoon. Wave Detail:
North 9 feet at 8 seconds and southwest 5 feet at 4 seconds. A
slight chance of showers and thunderstorms until late afternoon.
.SUNDAY NIGHT...North winds 25 to 30 knots. Seas 9 to 13 feet,
occasionally to 17 feet. Wave Detail: North 12 feet at 8 seconds.
.MONDAY...North winds 20 to 25 knots. Seas 8 to 13 feet,
occasionally to 17 feet, subsiding to 7 to 10 feet, occasionally
to 13 feet in the afternoon. Wave Detail: North 12 feet at
8 seconds and north 5 feet at 4 seconds.
.MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: North 5 feet at 7 seconds.
.TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
4 feet at 7 seconds and southeast 2 feet at 4 seconds.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet.
.WEDNESDAY...South winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.WEDNESDAY NIGHT...South winds around 15 knots. Seas 3 to 5 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$