430
FZUS54 KBRO 141818
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
118 PM CDT Sat Jun 14 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.

GMZ100-150800-
118 PM CDT Sat Jun 14 2025

.SYNOPSIS...Moderate winds and seas are expected through tonight,
with improving conditions for Sunday into Monday night. Weather
pattern becomes increasingly unsettled as we head into middle of
next week, with more unsettled heading into middle of next week
with 10-30 percent chance for showers and thunderstorms Monday
into Tuesday, increasing to 30-50 percent for Wednesday into
Friday. As the surface pressure gradient tightens mid to late next
week, Small Craft Exercise Caution and Small Craft Advisory
conditions could potentially be reached.

$$

GMZ130-132-135-150800-
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-
118 PM CDT Sat Jun 14 2025

.TONIGHT...Southeast winds 10 to 15 knots, becoming around
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 10 to 15 knots. A moderate chop on the
bay. A slight chance of thunderstorms in the morning. A chance of
showers. A chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers and thunderstorms early in
the evening. A slight 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. A chance of showers. A slight chance of thunderstorms early
in the morning, then a chance of thunderstorms in the afternoon.
.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 early in the morning.
.TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers early in the morning, then a
slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Choppy 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 thunderstorms. A slight
chance of showers in the evening, then a chance of showers after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A chance of thunderstorms. Showers likely.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A chance of thunderstorms in the evening. Showers
likely. A slight chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-150800-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
118 PM CDT Sat Jun 14 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.
.SUNDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers
after midnight. A chance of showers with a slight chance of
thunderstorms early in the morning.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. 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. 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 slight chance
of showers and thunderstorms after midnight.
.TUESDAY...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 until late afternoon.
.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 showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
5 feet. A chance of showers. A slight chance of thunderstorms
until early morning, then a chance of thunderstorms early in the
morning.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A
chance of thunderstorms. Showers likely.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
6 feet, occasionally to 8 feet. A chance of thunderstorms in the
evening. Showers likely. A slight chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-150800-
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-
118 PM CDT Sat Jun 14 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.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers. A slight chance of thunderstorms in the morning. A
slight chance of thunderstorms late in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
thunderstorms early in the evening. A slight chance of showers in
the evening. A chance of showers with a slight chance of
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. A
chance of thunderstorms until late afternoon, then a slight
chance of thunderstorms late in the afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers
with a slight chance of thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A chance of showers with a
slight chance of thunderstorms until late afternoon, then a
slight chance of showers late in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. A slight chance of showers early in the evening. A slight
chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds around 15 knots. Seas 4 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. A slight chance of thunderstorms in
the evening, then a chance of thunderstorms after midnight.
.THURSDAY...Southeast winds around 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of thunderstorms. Showers.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 5 to
7 feet, occasionally to 9 feet. A chance of thunderstorms in the
evening. Showers likely. A slight chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$