642
FZUS54 KBRO 022100
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
400 PM CDT Wed Apr 2 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.

GMZ100-030915-
400 PM CDT Wed Apr 2 2025

.SYNOPSIS...The combination of high pressure across the Gulf, a
strengthening low pressure trough and a cold front over the
Central Plains continues to produce an enhanced pressure gradient.
These strong southerly winds are expected to persist through at
least Thursday night and likely well into Friday. The cold front
will be slow to move through and is not expected until Saturday
night or Sunday.

$$

GMZ130-132-135-030915-
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-
400 PM CDT Wed Apr 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...Southeast winds around 20 knots. Choppy on the bay.
.THURSDAY...Southeast winds around 20 knots with gusts up to 30
knots. Choppy on the bay.
.THURSDAY NIGHT...Southeast winds 15 to 25 knots. Gusts to 30
knots early in the evening. Choppy on the bay.
.FRIDAY...Southeast winds 15 to 20 knots. Gusts to 30 knots in
the afternoon. Choppy on the bay.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots, becoming south 15 to 20 knots early in the morning.
Rough on the bay, diminishing to choppy early in the morning.
.SATURDAY...South winds 10 to 15 knots, becoming southwest early
in the afternoon, then becoming east late in the afternoon. A
moderate chop on the bay.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots, becoming north
after midnight, then increasing to 20 to 25 knots early in the
morning. A moderate chop on the bay, increasing to rough early in
the morning. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.SUNDAY...North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. Rough on the bay, diminishing to choppy in the
afternoon. A chance of showers with a slight chance of
thunderstorms early in the morning.
.SUNDAY NIGHT...North winds 15 to 20 knots. Choppy on the bay.
.MONDAY...North winds 10 to 15 knots. A moderate chop on the bay.
.MONDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Light chop on the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-030915-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
400 PM CDT Wed Apr 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...Southeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 8 feet at
9 seconds.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail:
Southeast 8 feet at 9 seconds. Patchy fog early in the morning.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Gusts to
30 knots early in the evening. Seas 6 to 9 feet, occasionally to
11 feet. Wave Detail: Southeast 8 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 9 feet,
occasionally to 11 feet. Wave Detail: Southeast 9 feet at
9 seconds.
.SATURDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon, then becoming southeast late in the
afternoon. Seas 6 to 9 feet, occasionally to 11 feet. Wave
Detail: Southeast 8 feet at 9 seconds. A slight chance of showers
late in the morning.
.SATURDAY NIGHT...East winds around 10 knots, becoming northeast
late in the evening, then becoming north 15 to 20 knots after
midnight, increasing to 20 to 25 knots early in the morning. Seas
6 to 9 feet, occasionally to 11 feet. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.SUNDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Seas 8 to 11 feet, occasionally to 14 feet. A chance of showers
with a slight chance of thunderstorms 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. Seas 6 to 8 feet,
occasionally to 10 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet, subsiding to 3 to 4 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-030915-
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-
400 PM CDT Wed Apr 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots, diminishing to 15 to 20 knots with gusts up to 30 knots
after midnight. Seas 7 to 10 feet, occasionally to 13 feet. Wave
Detail: Southeast 10 feet at 9 seconds.
.THURSDAY...Southeast winds 20 to 25 knots, diminishing to 15 to
20 knots late in the afternoon. Gusts to 35 knots, increasing to
40 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: Southeast 9 feet at 9 seconds. Patchy fog
early in the morning.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, increasing to
20 to 25 knots in the late evening and overnight. Gusts to
35 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave
Detail: Southeast 10 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 9 feet at 9 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 9 to 11 feet, occasionally to 14 feet. Wave
Detail: Southeast 11 feet at 9 seconds.
.SATURDAY...South winds 15 to 20 knots with gusts up to 30 knots,
diminishing to 10 to 15 knots in the afternoon. Seas 8 to
10 feet, occasionally to 13 feet. Wave Detail: Southeast 10 feet
at 9 seconds. A slight chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots, becoming
northeast in the late evening and early morning, then becoming
north 20 to 25 knots with gusts up to 30 knots early in the
morning. Seas 6 to 9 feet, occasionally to 11 feet. A slight
chance of showers in the evening, then a chance of showers with a
slight chance of thunderstorms 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 9 to
12 feet, occasionally to 15 feet. A chance of showers with a
slight chance of thunderstorms early in the morning, then a
slight chance of showers late in the morning.
.SUNDAY NIGHT...North winds around 20 knots. Seas 7 to 9 feet,
occasionally to 11 feet. A slight chance of showers early in the
morning.
.MONDAY...North winds 15 to 20 knots. Seas 7 to 9 feet,
occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally
to 9 feet in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

Winds and seas higher in and near thunderstorms.

$$