690
FZUS54 KBRO 031455
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
955 AM CDT Thu Apr 3 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.

GMZ100-040315-
955 AM CDT Thu Apr 3 2025

.SYNOPSIS...Hazard marine conditions persist through Sunday with
strong southerly winds and high seas in advance of a Saturday
night and Sunday cold front. Winds and seas begin to improve
later Monday of next week.

$$

GMZ130-132-135-040315-
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-
955 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TODAY...Southeast winds 15 to 20 knots. Gusts to
30 knots late this afternoon. Choppy on the bay.
.TONIGHT...Southeast winds 20 to 25 knots. Rough on the bay.
.FRIDAY...Southeast winds 15 to 20 knots, increasing to 20 to
25 knots with gusts up to 30 knots in the afternoon. Rough on the
bay.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots, becoming south
15 to 20 knots after midnight. Rough on the bay, diminishing to
choppy after midnight.
.SATURDAY...South winds 10 to 15 knots, becoming southwest late
in the morning, then becoming northwest early in the afternoon,
becoming northeast late in the afternoon. A moderate chop on the
bay, diminishing to light chop early in the afternoon, then
increasing to a moderate chop late in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots, becoming north
15 to 20 knots after midnight, then increasing to 20 to 25 knots
with gusts up to 30 knots early in the morning. A moderate chop
on the bay, increasing to choppy after midnight, then increasing
to rough early in the morning. A slight chance of showers after
midnight.
.SUNDAY...North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots in the afternoon. Rough on the bay,
diminishing to choppy in the afternoon. A slight chance of
showers early in the morning.
.SUNDAY NIGHT...North winds 10 to 15 knots. A moderate chop on
the bay.
.MONDAY...North winds 10 to 15 knots, becoming northeast late in
the afternoon. A moderate chop on the bay.
.MONDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots in the late evening and overnight. A moderate chop
on the bay, diminishing to light chop in the late evening and
overnight.

$$

GMZ150-155-040315-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
955 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TODAY...South winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 8 feet at
9 seconds.
.TONIGHT...Southeast winds 15 to 20 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Southeast 9 feet at
9 seconds.
.FRIDAY...Southeast winds 15 to 20 knots. Gusts to 30 knots late
in the afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Southeast 8 feet at 9 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots, becoming south
15 to 20 knots early in the morning. Seas 7 to 10 feet,
occasionally to 13 feet. Wave Detail: Southeast 9 feet at
9 seconds.
.SATURDAY...South winds 10 to 15 knots, becoming west early in
the afternoon, then becoming northeast late in the afternoon.
Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Southeast
8 feet at 9 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots, becoming north
15 to 20 knots after midnight, then increasing to 20 to 25 knots
with gusts up to 30 knots early in the morning. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: East 9 feet at 10 seconds
and north 5 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms after midnight.
.SUNDAY...North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots late in the afternoon. Seas 9 to
12 feet, occasionally to 15 feet. A chance of showers early in
the morning.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 6 to 9 feet,
occasionally to 11 feet.
.MONDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots late in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-040315-
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-
955 AM CDT Thu Apr 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TODAY...South winds 20 to 25 knots with gusts up to
30 knots, becoming southeast 15 to 20 knots late this afternoon.
Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail:
Southeast 10 feet at 9 seconds.
.TONIGHT...Southeast winds 15 to 20 knots, increasing to 20 to
25 knots with gusts up to 30 knots in the late evening and
overnight. Seas 8 to 11 feet, occasionally to 14 feet. Wave
Detail: Southeast 11 feet at 9 seconds.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to
30 knots, increasing to 20 to 25 knots with gusts up to 30 knots
in the afternoon. Seas 8 to 10 feet, occasionally to 13 feet.
Wave Detail: Southeast 10 feet at 9 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave
Detail: Southeast 11 feet at 9 seconds.
.SATURDAY...South winds 15 to 20 knots, becoming southeast around
10 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave
Detail: Southeast 10 feet at 9 seconds.
.SATURDAY NIGHT...Northeast winds around 10 knots, becoming north
late in the evening, then increasing to 15 to 20 knots after
midnight, increasing to 20 to 25 knots with gusts up to 30 knots
early in the morning. Seas 6 to 9 feet, occasionally to 11 feet.
Wave Detail: Southeast 8 feet at 10 seconds and northwest 4 feet
at 5 seconds. A slight chance of showers in the evening. A slight
chance of thunderstorms in the late evening and overnight. A
chance of showers after midnight.
.SUNDAY...North winds 25 to 30 knots, diminishing to 20 to
25 knots with gusts up to 30 knots in the afternoon. Seas 8 to
13 feet, occasionally to 17 feet. A chance of showers early in
the morning.
.SUNDAY NIGHT...North winds around 20 knots. Seas 7 to 9 feet,
occasionally to 11 feet. A slight chance of showers after
midnight.
.MONDAY...North winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally
to 8 feet in the afternoon. A slight chance of showers early in
the morning.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.

Winds and seas higher in and near thunderstorms.

$$