859
FZUS54 KBRO 280816
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
316 AM CDT Fri Mar 28 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.

GMZ100-282100-
316 AM CDT Fri Mar 28 2025

.SYNOPSIS...Thunderstorm driven winds and broad wind field over
Western Gulf continues to provide fresh to strong east to
southeast winds and a high sea state. Small Craft advisories
remain in place for all coastal waters through at least 1 PM
today. Wind gradient begins to relax tonight with a moderate
onshore flow for the weekend. Seas look to be slow in subsiding as
winds over the eastern and Central Gulf may continue to drive an
elevated swell towards the lower Texas coast. A weak cold front
moves into the northern Gulf waters early next week turn winds to
the east at a light to moderate level.

$$

GMZ130-132-135-282100-
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-
316 AM CDT Fri Mar 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.TODAY...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Choppy on the bay, diminishing to a
moderate chop this afternoon. Showers and thunderstorms likely,
mainly this morning.
.TONIGHT...Southeast winds around 10 knots, becoming south after
midnight. Light chop on the bay.
.SATURDAY...South winds around 10 knots, becoming southeast late
in the afternoon. Light chop on the bay, increasing to a moderate
chop late in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.SUNDAY...South winds 10 to 15 knots. A moderate chop on the bay.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. Light chop on the bay.
.MONDAY...South winds around 5 knots, becoming east in the
afternoon, then becoming around 10 knots late in the afternoon.
Smooth on the bay, increasing to light chop in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Light chop on the bay.
.TUESDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Light chop on the bay, increasing to a
moderate chop in the afternoon.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-282100-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
316 AM CDT Fri Mar 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.TODAY...Southeast winds 15 to 20 knots with gusts up to
30 knots, diminishing to 10 to 15 knots this afternoon. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at
8 seconds. Showers and thunderstorms likely, mainly this morning.
.TONIGHT...Southeast winds around 10 knots, becoming south after
midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 5 feet at 8 seconds.
.SATURDAY...South winds around 10 knots. Seas 4 to 5 feet. Wave
Detail: Southeast 5 feet at 8 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: East 5 feet at 8 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: Southeast 5 feet at 8 seconds.
.SUNDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots early in the morning. Seas 3 to 5 feet. Wave Detail:
Southeast 4 feet at 8 seconds.
.MONDAY...South winds 5 to 10 knots, becoming east in the
afternoon. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
.TUESDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
5 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-282100-
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-
316 AM CDT Fri Mar 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.TODAY...Southeast winds 20 to 25 knots with gusts up to
35 knots, diminishing to 10 to 15 knots. Seas 7 to 9 feet,
occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally
to 9 feet this afternoon. Wave Detail: Southeast 7 feet at
8 seconds, becoming southeast 6 feet at 8 seconds. A chance of
showers and thunderstorms this morning, then showers and
thunderstorms likely this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south after
midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 6 feet at 8 seconds. A chance of showers and
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms late in the evening.
.SATURDAY...South winds 10 to 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to
6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at
9 seconds and north 1 foot at 6 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 7 feet. Wave Detail: Southeast 6 feet at 8
seconds.
.SUNDAY NIGHT...South winds around 10 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 5 feet at 8 seconds.
.MONDAY...South winds 5 to 10 knots, becoming east in the
afternoon. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
.TUESDAY...East winds 10 to 15 knots, becoming southeast in the
afternoon. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
5 feet.

Winds and seas higher in and near thunderstorms.

$$