194
FZUS54 KBRO 110659
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1259 AM CST Tue Nov 11 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.

GMZ100-111930-
1259 AM CST Tue Nov 11 2025

.SYNOPSIS...Marine conditions will continue to improve through
today as the pressure gradient continues to relax. However,
later this evening/tonight, marine conditions are expected to
deteriorate as southerly winds strengthen and wave heights
increase. Small Craft Exercise Caution (SCEC) conditions are
expected to develop later this evening/tonight and persist through
Wednesday. Wednesday night through Thursday, marine conditions
improve slightly as winds relax and wave heights decrease some.
However, Thursday night and especially on Friday, marine
conditions are expected to deteriorate once again as winds and
wave heights both increase. SCEC to Small Craft Advisory (SCA)
conditions are possible Friday/Friday night through Sunday. Marine
conditions are expected to show gradual improvements during the
early parts of next week.

$$

GMZ130-132-135-111930-
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-
1259 AM CST Tue Nov 11 2025

.TODAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots this afternoon. Light chop on the bay becoming a
moderate chop this afternoon.
.TONIGHT...South winds 15 to 20 knots. Choppy on the bay.
.WEDNESDAY...South winds 10 to 15 knots becoming southeast 15 to
20 knots in the afternoon. A moderate chop on the bay becoming
choppy in the afternoon.
.WEDNESDAY NIGHT...South 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.
.FRIDAY...Southeast winds 15 to 20 knots. Choppy on the bay.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay.
.SATURDAY...Southeast winds 15 to 20 knots. Choppy on the bay.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay. A slight chance of showers after midnight.

$$

GMZ150-155-111930-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1259 AM CST Tue Nov 11 2025

.TODAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: East
3 feet at 7 seconds and southeast 2 feet at 3 seconds.
.TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 5 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Seas 4 to 5 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet
building to 5 to 7 feet, with occasional seas up to 8 feet after
midnight.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
with occasional seas up to 8 feet.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
6 feet, with occasional seas up to 7 feet. A slight chance of
showers.

$$

GMZ170-175-111930-
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-
1259 AM CST Tue Nov 11 2025

.TODAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Northeast
3 feet at 7 seconds and southeast 2 feet at 3 seconds.
.TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 5 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: South 4 feet at 5 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: South 3 feet at 5 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 5 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 6 seconds.
.FRIDAY...Southeast winds around 15 knots. Seas 4 to 5 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet
building to 5 to 7 feet, with occasional seas up to 8 feet after
midnight.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 6 to 8 feet,
with occasional seas up to 9 feet. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to
7 feet, with occasional seas up to 8 feet. A slight chance of
showers in the evening, then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$