170
FZUS54 KBRO 040726
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
226 AM CDT Fri Apr 4 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.

GMZ100-042015-
226 AM CDT Fri Apr 4 2025

.SYNOPSIS...Hazardous marine conditions will 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 late Monday.

$$

GMZ130-132-135-042015-
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-
226 AM CDT Fri Apr 4 2025

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

.TODAY...Southeast winds 15 to 20 knots increasing to 20 to
25 knots this afternoon. Gusts to 35 knots. Choppy on the bay
becoming rough this afternoon.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
35 knots. Rough on the bay.
.SATURDAY...South winds 15 to 20 knots becoming southeast 10 to
15 knots in the afternoon. Choppy on the bay becoming a moderate
chop in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots becoming north
20 to 25 knots with gusts up to 30 knots after midnight. A
moderate chop on the bay becoming rough after midnight. A slight
chance of showers and thunderstorms in the evening.
.SUNDAY...Northwest winds 20 to 25 knots with gusts up to
30 knots decreasing to 15 to 20 knots in the afternoon. Rough on
the bay becoming choppy in the afternoon.
.SUNDAY NIGHT...North winds 10 to 15 knots. A moderate chop on
the bay.
.MONDAY...North winds 10 to 15 knots. A moderate chop on the bay.
.MONDAY NIGHT...Northeast winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. A moderate chop on the bay becoming
light chop after midnight.
.TUESDAY...North winds around 5 knots becoming east in the
afternoon. Smooth on the bay becoming light chop in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots becoming southeast
after midnight. Light chop on the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-042015-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
226 AM CDT Fri Apr 4 2025

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

.TODAY...Southeast winds 15 to 20 knots with gusts up to
35 knots. Seas 6 to 9 feet, with occasional seas up to 11 feet.
Wave Detail: Southeast 8 feet at 9 seconds.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 10 feet, with occasional seas up to 13 feet.
Wave Detail: Southeast 10 feet at 9 seconds.
.SATURDAY...South winds 15 to 20 knots becoming southeast around
10 knots in the afternoon. Seas 6 to 9 feet, with occasional seas
up to 11 feet. Wave Detail: Southeast 9 feet at 9 seconds. A
slight chance of showers in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots becoming north
20 to 25 knots with gusts up to 30 knots after midnight. Seas
6 to 8 feet, with occasional seas up to 9 feet building to 8 to
11 feet, with occasional seas up to 14 feet after midnight. Wave
Detail: East 7 feet at 10 seconds becoming east 8 feet at
10 seconds and north 5 feet at 5 seconds. A chance of showers
with a slight chance of thunderstorms in the evening, then a
slight chance of showers after midnight.
.SUNDAY...Northwest winds 20 to 25 knots with gusts up to
30 knots. Seas 9 to 14 feet, with occasional seas up to 18 feet
subsiding to 9 to 12 feet, with occasional seas up to 15 feet in
the afternoon. Wave Detail: Northeast 11 feet at 9 seconds and
northwest 8 feet at 6 seconds becoming northeast 10 feet at
9 seconds and northwest 8 feet at 6 seconds.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 6 to 9 feet,
with occasional seas up to 11 feet. Wave Detail: North 7 feet at
7 seconds.
.MONDAY...North winds 15 to 20 knots. Seas 5 to 7 feet, with
occasional seas up to 8 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Seas 2 to 4 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots becoming southeast
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-042015-
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-
226 AM CDT Fri Apr 4 2025

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

.TODAY...Southeast winds 20 to 25 knots with gusts up to
35 knots. Seas 8 to 11 feet, with occasional seas up to 14 feet.
Wave Detail: Southeast 10 feet at 9 seconds.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
35 knots. Seas 9 to 12 feet, with occasional seas up to 15 feet.
Wave Detail: Southeast 12 feet at 9 seconds.
.SATURDAY...South winds 20 to 25 knots with gusts up to 35 knots
decreasing to 10 to 15 knots in the afternoon. Seas 8 to 10 feet,
with occasional seas up to 13 feet. Wave Detail: Southeast
10 feet at 9 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots becoming north 20 to
25 knots with gusts up to 30 knots after midnight. Seas 8 to
11 feet, with occasional seas up to 14 feet. Wave Detail:
Southeast 9 feet at 10 seconds and north 5 feet at 5 seconds. A
chance of showers with a slight chance of thunderstorms.
.SUNDAY...North winds 25 to 30 knots becoming northwest 20 to
25 knots in the afternoon. Seas 10 to 15 feet, with occasional
seas up to 19 feet. Wave Detail: North 13 feet at 9 seconds and
east 9 feet at 9 seconds.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 7 to 9 feet,
with occasional seas up to 11 feet. Wave Detail: North 8 feet at
7 seconds and east 4 feet at 10 seconds.
.MONDAY...North winds 15 to 20 knots. Seas 6 to 8 feet, with
occasional seas up to 9 feet subsiding to 4 to 6 feet, with
occasional seas up to 7 feet in the afternoon.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots becoming southeast
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$