305
FZUS54 KBRO 121519
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1019 AM CDT Wed Mar 12 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.

GMZ100-130415-
1019 AM CDT Wed Mar 12 2025

.SYNOPSIS...Winds are expected to increase this afternoon,
approaching or reaching criteria for Small Craft Should Exercise
Caution headlines. Winds are expected to diminish overnight with
generally favorable conditions expected Thursday. Winds could
increase again Friday and Saturday as a cold front is expected to
move through the area.

$$

GMZ130-132-135-130415-
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-
1019 AM CDT Wed Mar 12 2025

.REST OF TODAY...South winds 10 to 15 knots. A moderate chop on
the bay.
.TONIGHT...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. Patchy fog 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. Patchy fog early in the morning.
.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...Southeast winds 10 to 15 knots, becoming
southwest early in the morning. A moderate chop on the bay,
diminishing to light chop early in the morning.
.SATURDAY...Northwest winds around 10 knots, becoming north in
the afternoon. A moderate chop on the bay.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming
northwest early in the morning. Light chop on the bay.
.SUNDAY...Northwest winds around 10 knots, becoming northeast
late in the afternoon. Light chop on the bay, increasing to a
moderate chop in the afternoon.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. A moderate chop
on the bay.

$$

GMZ150-155-130415-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1019 AM CDT Wed Mar 12 2025

.REST OF TODAY...South winds 10 to 15 knots, increasing to 15 to
20 knots late this afternoon. Seas 2 to 4 feet. Wave Detail:
Southeast 3 feet at 5 seconds.
.TONIGHT...South winds 15 to 20 knots, becoming southwest 10 to
15 knots after midnight, then diminishing to 5 to 10 knots early
in the morning. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet
at 5 seconds. Patchy fog after midnight.
.THURSDAY...Southwest winds 5 to 10 knots, becoming southeast
late in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 5 seconds. Patchy fog in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.SATURDAY...Northwest winds around 10 knots, becoming north late
in the afternoon. Seas 2 to 4 feet.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming
northwest early in the morning. Seas 2 to 4 feet.
.SUNDAY...Northwest winds around 10 knots, becoming northeast
late in the afternoon. Seas 3 to 5 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.

$$

GMZ170-175-130415-
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-
1019 AM CDT Wed Mar 12 2025

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

$$