556
FZUS54 KBRO 181428
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
928 AM CDT Fri Apr 18 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.

GMZ100-190245-
928 AM CDT Fri Apr 18 2025

.SYNOPSIS...A Small Craft Advisory continues for all Lower Texas
coastal waters (0-60 nm) through Saturday evening as fresh to
strong south-southeasterly winds, with strong to near gale gusts,
and moderate seas continue as a tight pressure gradient remains
over the Lower Texas coastal waters. Conditions improve on Sunday
as the gradient relaxes, with gentle to moderate southeasterly
winds, becoming easterly on Monday. Moderate to fresh
southeasterly winds return next Tuesday as the pressure gradient
tightens again. The approach and stall of a frontal boundary will
bring a slight chance of showers and thunderstorms from Sunday and
into the beginning of next week.

$$

GMZ130-132-135-190245-
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-
928 AM CDT Fri Apr 18 2025

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

.REST OF TODAY...Southeast winds 20 to 25 knots with gusts up to
35 knots. Rough on the bay.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots, diminishing to 15 to 20 knots in the late evening and
overnight. Rough on the bay, diminishing to choppy in the late
evening and overnight.
.SATURDAY...Southeast winds 15 to 20 knots. Gusts to 30 knots in
the afternoon. Choppy on the bay.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Gusts to
30 knots early in the evening. Choppy on the bay.
.SUNDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers in the morning. A slight chance
of thunderstorms in the afternoon. A chance of showers in the
afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Light chop on the bay. A chance of
showers early in the evening. A slight chance of showers and
thunderstorms after midnight.
.MONDAY...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots late in the afternoon. Light chop on the bay, increasing
to a moderate chop late in the afternoon. A chance of showers and
thunderstorms until late afternoon, then a slight chance of
showers and thunderstorms late in the afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers and thunderstorms early in
the evening.
.TUESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots late in the afternoon. A moderate chop on the bay,
increasing to choppy late in the afternoon. A slight chance of
showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-190245-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
928 AM CDT Fri Apr 18 2025

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

.REST OF TODAY...Southeast winds 20 to 25 knots. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Southeast 7 feet at
7 seconds.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots, diminishing to 15 to 20 knots after midnight. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Southeast 6 feet at
7 seconds.
.SATURDAY...Southeast winds 15 to 20 knots. Gusts to 30 knots
late in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet.
Wave Detail: Southeast 6 feet at 8 seconds.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Southeast 7 feet at
8 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 6 feet at
8 seconds. A slight chance of showers in the morning. A slight
chance of thunderstorms in the afternoon. A chance of showers in
the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 9 seconds. A
chance of showers early in the evening. A slight chance of
showers and thunderstorms after midnight.
.MONDAY...Southeast winds 5 to 10 knots, becoming east late in
the afternoon. Seas 4 to 5 feet. A chance of showers and
thunderstorms until late afternoon, then a slight chance of
showers and thunderstorms late in the afternoon.
.MONDAY NIGHT...East winds around 10 knots, becoming southeast
early in the morning. Seas 4 to 5 feet.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A
slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-190245-
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-
928 AM CDT Fri Apr 18 2025

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

.REST OF TODAY...South winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Southeast 7 feet at
7 seconds.
.TONIGHT...Southeast winds around 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 7 feet at
7 seconds.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Southeast 7 feet at
8 seconds.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 7 to
9 feet, occasionally to 11 feet. Wave Detail: Southeast 8 feet at
8 seconds.
.SUNDAY...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: Southeast 7 feet at 8 seconds. A slight
chance of showers. A slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 7 feet at 9 seconds. A
slight chance of showers early in the evening. A slight chance of
showers and thunderstorms after midnight.
.MONDAY...Southeast winds 5 to 10 knots, becoming east late in
the afternoon. Seas 5 to 7 feet, occasionally to 9 feet,
subsiding to 4 to 5 feet in the afternoon. A slight chance of
showers and thunderstorms early in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...East winds around 10 knots, becoming southeast
early in the morning. Seas 4 to 5 feet.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A
slight chance of showers and thunderstorms until late afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet. A slight chance of showers and thunderstorms in the late
evening and overnight.

Winds and seas higher in and near thunderstorms.

$$