097
FZUS54 KBRO 090648
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1248 AM CST Tue Dec 9 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.

GMZ100-091915-
1248 AM CST Tue Dec 9 2025

.SYNOPSIS...Light to moderate winds and slight to moderate seas
will continue through the remainder of the week. Winds will shift
from the northeast to the southeast this afternoon.

$$

GMZ130-132-135-091915-
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-
1248 AM CST Tue Dec 9 2025

.TODAY...Northeast winds around 5 knots, becoming east this
afternoon. Smooth on the bay.
.TONIGHT...Southeast winds 5 to 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 5 to 10 knots, becoming
southwest early in the morning. Light chop on the bay,
diminishing to smooth after midnight.
.THURSDAY...Northwest winds around 5 knots, becoming southeast in
the afternoon. Smooth on the bay, increasing to light chop in the
afternoon.
.THURSDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Light chop on the bay.
.FRIDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. A moderate chop on the bay.
.FRIDAY NIGHT...Southeast winds around 10 knots. Light chop on
the bay. A slight chance of showers and thunderstorms after
midnight.
.SATURDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A slight chance of showers. A slight chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots. Light chop on
the bay. A slight chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-091915-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1248 AM CST Tue Dec 9 2025

.TODAY...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 7 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
7 seconds.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast late
in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
7 seconds and south 1 foot at 4 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming
southwest early in the morning. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 7 seconds and southeast 1 foot at 4 seconds.
.THURSDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: South 1 foot at
4 seconds and east 1 foot at 7 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 3 seconds and east 1 foot at 7 seconds.
.FRIDAY...South winds around 10 knots. Seas 2 to 3 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers in the morning, then a slight chance of showers
and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-091915-
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-
1248 AM CST Tue Dec 9 2025

.TODAY...Northeast winds 5 to 10 knots, becoming east late this
afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at
7 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south early in
the morning. Seas 2 to 4 feet. Wave Detail: East 3 feet at
7 seconds and south 2 feet at 3 seconds.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 7 seconds and south 1 foot at
4 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 1 foot at 4 seconds and east 1 foot at 7 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 3 seconds and east 1 foot at
6 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
A slight chance of showers and thunderstorms in the evening, then
a chance of showers and thunderstorms after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$