163
FZUS54 KBRO 111413
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
913 AM CDT Tue Mar 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.

GMZ100-120315-
913 AM CDT Tue Mar 11 2025

.SYNOPSIS...Light to moderate south winds turn southeasterly,
maintaining generally favorable marine conditions. As low
pressure swings through the Southern Plains, expect moderate to
breezy southerly winds Wednesday and Friday into Saturday, briefly
building seas.

$$

GMZ130-132-135-120315-
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-
913 AM CDT Tue Mar 11 2025

.REST OF 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.
.TONIGHT...South winds 10 to 15 knots. A moderate chop on the
bay. Patchy fog early in the morning.
.WEDNESDAY...South winds 10 to 15 knots. A moderate chop on the
bay. Patchy fog early in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. A moderate chop on the bay,
diminishing to light chop after midnight.
.THURSDAY...Southwest winds around 5 knots, becoming southeast
late in the afternoon. Smooth on the bay, increasing to light
chop late in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots, becoming around
15 knots early in the morning. A moderate chop on the bay.
.FRIDAY...South winds 10 to 15 knots. A moderate chop on the bay.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest
early in the morning. A moderate chop on the bay.
.SATURDAY...North winds 10 to 15 knots, becoming northeast late
in the afternoon. A moderate chop on the bay.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming northwest
early in the morning. Light chop on the bay.

$$

GMZ150-155-120315-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
913 AM CDT Tue Mar 11 2025

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 3 seconds and east
1 foot at 6 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. Patchy fog early in the
morning.
.WEDNESDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots late in the afternoon. Seas 2 to 4 feet. Wave Detail:
Southeast 4 feet at 5 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots, diminishing to
10 to 15 knots in the late evening and early morning, then
becoming southwest 5 to 10 knots early in the morning. Seas 2 to
4 feet. Wave Detail: Southeast 4 feet at 5 seconds.
.THURSDAY...Southwest winds around 5 knots, becoming southeast
late in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.FRIDAY...South winds around 15 knots. Seas 2 to 4 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY...North winds 10 to 15 knots, becoming northeast late
in the afternoon. Seas 2 to 3 feet.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming
northwest early in the morning. Seas 2 to 3 feet.

$$

GMZ170-175-120315-
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-
913 AM CDT Tue Mar 11 2025

.REST OF TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 3 seconds and northeast 2 feet at
6 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds.
.WEDNESDAY...South winds around 15 knots. Seas 3 to 4 feet. Wave
Detail: South 4 feet at 5 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots, becoming southwest
10 to 15 knots after midnight. Seas 2 to 4 feet. Wave Detail:
South 4 feet at 5 seconds.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south late in
the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at
6 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: South
3 feet at 5 seconds.
.FRIDAY...South winds 15 to 20 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots early in the morning. Seas 3 to 4 feet.
.SATURDAY...West winds 10 to 15 knots, becoming north in the
afternoon. Seas 3 to 4 feet.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
early in the morning. Seas 2 to 4 feet.

$$