Coastal Waters Forecast
Issued by NWS Brownsville, TX

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FZUS54 KBRO 112108
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
408 PM CDT Fri Apr 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.

GMZ100-121015-
408 PM CDT Fri Apr 11 2025

.SYNOPSIS...Light breezes will strengthen to moderate or fresh
over the weekend due to a tighter pressure gradient, with low
seas gradually building to moderate. Conditions improve on
Tuesday.

$$

GMZ130-132-135-121015-
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-
408 PM CDT Fri Apr 11 2025

.TONIGHT...East winds 5 to 10 knots, becoming south early this
morning. Light chop on the bay, diminishing to smooth late this
evening and overnight. Patchy fog early this morning.
.SATURDAY...South winds around 5 knots, becoming southeast late
in the morning, then becoming 5 to 10 knots early in the
afternoon, increasing to 10 to 15 knots late in the afternoon.
Smooth on the bay, increasing to light chop early in the
afternoon, then increasing to a moderate chop late in the
afternoon. Patchy fog in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. A moderate chop on the bay.
.SUNDAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. Choppy on the bay.
.SUNDAY NIGHT...South winds 15 to 20 knots. Choppy on the bay.
.MONDAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. Choppy on the bay.
.MONDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. A moderate chop on the bay.
.TUESDAY...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. A moderate chop on the bay.
.TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast
after midnight. Light chop on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. A moderate chop on the bay.

$$

GMZ150-155-121015-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
408 PM CDT Fri Apr 11 2025

.TONIGHT...East winds around 5 knots, becoming south early this
morning. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
4 seconds.
.SATURDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
4 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet
at 4 seconds.
.SUNDAY...South winds 15 to 20 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 4 seconds and northeast 1 foot at
5 seconds.
.SUNDAY NIGHT...South winds around 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.MONDAY...South winds around 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY...Southeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds around 10 knots, becoming southeast
early in the morning. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
5 feet.

$$

GMZ170-175-121015-
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-
408 PM CDT Fri Apr 11 2025

.TONIGHT...East winds around 5 knots, becoming south around
5 knots after midnight. Seas 1 to 2 feet. Wave Detail: South
1 foot at 4 seconds.
.SATURDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: South 1 foot at
4 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, increasing to
10 to 15 knots in the late evening and overnight. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 3 seconds.
.SUNDAY...South winds around 15 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 4 seconds and northeast 1 foot at
5 seconds.
.SUNDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 5 seconds.
.MONDAY...South winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: South 4 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY...Southeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds around 10 knots, becoming southeast
early in the morning. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet.

$$