531
FZUS54 KBRO 281724
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1224 PM CDT Sat Jun 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.

GMZ100-290615-
1224 PM CDT Sat Jun 28 2025

.SYNOPSIS...Low to moderate seas and gentle to moderate
southeasterly winds are expected over the Gulf waters and the
Laguna for the next several days allowing for mostly favorable
conditions. However, a disturbance expected to move into the Bay
of Campeche could impact wave heights by 1 or 2 feet late this
weekend going into early next week. Daily low to medium chances of
showers and thunderstorms continue through early next week.

$$

GMZ130-132-135-290615-
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-
1224 PM CDT Sat Jun 28 2025

.TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots early this morning. A moderate chop on the bay,
diminishing to light chop early this morning. A slight chance of
showers and thunderstorms early this morning.
.SUNDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A moderate chop on the bay. A chance
of thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers and thunderstorms in the
evening, then a chance of showers after midnight. A slight chance
of thunderstorms early in the morning.
.MONDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.TUESDAY...Southeast winds around 10 knots. Light chop on the
bay. A chance of showers in the morning. A chance of
thunderstorms. Showers likely in the afternoon.
.TUESDAY 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. Showers likely
with a chance of thunderstorms early in the evening, then a
chance of showers in the late evening and overnight. A slight
chance of thunderstorms after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A moderate chop on the bay. A slight
chance of thunderstorms. A chance of showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate
chop on the bay. A chance of showers with a slight chance of
thunderstorms early in the evening, then a slight chance of
showers in the late evening and overnight. A slight chance of
thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A chance of showers. A slight chance of thunderstorms
early in the morning. A slight chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A chance of showers with a slight chance of
thunderstorms early in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-290615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1224 PM CDT Sat Jun 28 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms after midnight. A chance of showers and
thunderstorms early this morning.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 5 feet at 7 seconds. A chance of thunderstorms.
A chance of showers.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 4 feet at
7 seconds. A slight chance of showers in the evening. A slight
chance of thunderstorms. A chance of showers after midnight.
.MONDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: Southeast 5 feet at 7 seconds. A chance of thunderstorms.
Showers likely.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 3 feet at 7 seconds. Showers likely with a
chance of thunderstorms in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A
chance of thunderstorms. A chance of showers until late
afternoon, then showers likely late in the afternoon.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. A chance of thunderstorms early in the evening. A chance
of showers. A slight chance of thunderstorms after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms. A chance of showers.
.WEDNESDAY 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, then a slight chance of showers in the late
evening and overnight. A slight chance of thunderstorms after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms early in the morning. A chance of
showers until late afternoon, then a slight chance of showers
late in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A slight chance of showers early in the evening. A slight
chance of showers early in the morning.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-290615-
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-
1224 PM CDT Sat Jun 28 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A slight chance of showers
and thunderstorms this evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
7 seconds. A chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 4 feet at
7 seconds. A chance of showers. A slight chance of thunderstorms
early in the evening. A chance of thunderstorms early in the
morning.
.MONDAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of thunderstorms. Showers likely.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet, subsiding to 4 to 5 feet after midnight.
Wave Detail: Southeast 3 feet at 6 seconds. Showers likely with a
chance of thunderstorms in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 5 feet. A
chance of thunderstorms. A chance of showers until late
afternoon, then showers likely late in the afternoon.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. A chance of showers. A chance of thunderstorms early in
the evening. A slight chance of thunderstorms after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY 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, then a slight chance of showers late in the
evening. A chance of showers with a slight chance of
thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers with a slight chance of thunderstorms until
late afternoon, then a slight chance of showers late in the
afternoon.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A slight chance of showers early in the evening. A slight
chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$