Coastal Waters Forecast
Issued by NWS Brownsville, TX

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882
FZUS54 KBRO 131850
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
150 PM CDT Fri Jun 13 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.

GMZ100-140730-
150 PM CDT Fri Jun 13 2025

.SYNOPSIS...The difference between high pressure over the eastern
Gulf with low pressure over the lee of the Sierra Madre will
maintain moderate winds and seas through Saturday night. The
pressure differences will relax Sunday through Tuesday before
increasing a bit again Tuesday night through Wednesday night,
with moderate seas and winds returning. Seas could reach Small
Craft Exercise Caution by Wednesday night. Isolated to scattered
mainly overnight and morning showers and thunderstorms can be
expected Saturday through Tuesday, with additional coverage and
intensity becoming more likely later Wednesday and Wednesday
night.

$$

GMZ130-132-135-140730-
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-
150 PM CDT Fri Jun 13 2025

.TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers toward daybreak.
.SATURDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A slight chance of showers early in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A chance of mainly morning showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots early in the morning. A moderate chop on the bay,
diminishing to light chop early in the morning. A slight chance
of showers and thunderstorms early in the evening. A slight
chance of showers and thunderstorms after midnight.
.MONDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A moderate chop on the bay. A chance
of mainly morning showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A chance of showers and thunderstorms early in the
evening. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of mainly morning showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate
chop on the bay. A slight chance of showers in the evening, then a
chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-140730-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
150 PM CDT Fri Jun 13 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms early this morning.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers early in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight
chance of showers and thunderstorms after midnight.
.SUNDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms until early afternoon, then a slight chance of
showers and thunderstorms late in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming around
10 knots early in the morning. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds. A slight chance of showers and
thunderstorms early in the evening. A chance of showers with a
slight chance of thunderstorms after midnight.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of mainly morning
and early afternoon showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers with a slight chance of thunderstorms early
in the evening. A slight chance of showers and thunderstorms
after midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of mainly morning and early afternoon showers and
thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds around 15 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms. A slight chance of showers early
in the morning, then a chance of showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
5 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-140730-
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-
150 PM CDT Fri Jun 13 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms after midnight with a chance of showers and
thunderstorms toward daybreak.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of
showers early in the morning. A slight chance of showers and
thunderstorms through early afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight
chance of showers and thunderstorms, then a chance of showers and
thunderstorms toward daybreak.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming around
10 knots early in the morning. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds. A slight chance of showers and
thunderstorms in the evening. A chance of showers and
thunderstorms after midnight.
.MONDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers with a slight chance of thunderstorms early
in the evening. A chance of showers with a slight chance of
thunderstorms after midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms until late afternoon, then a
slight chance of showers and thunderstorms late in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms early in the
evening. A slight chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Southeast winds around 15 knots. Seas 3 to 5 feet. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

52-Goldsmith