414
FZUS54 KBRO 050546
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1246 AM CDT Sun Oct 5 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.

GMZ100-051830-
1246 AM CDT Sun Oct 5 2025

.SYNOPSIS...Light to moderate winds and low to moderate seas will
prevail along the Lower Texas Coast through the period with high
pressure generally in place over the western Gulf of America.
Small Craft Should Exercise Caution and Small Craft Advisory are
not likely to be needed.

$$

GMZ130-132-135-051830-
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-
1246 AM CDT Sun Oct 5 2025

.TODAY...North winds around 5 knots, becoming northeast this
afternoon. A light chop on the bay. A slight chance of showers
and thunderstorms early this morning.
.TONIGHT...East winds 5 to 10 knots, becoming south after
midnight. A light chop on the bay.
.MONDAY...Southwest winds around 5 knots, becoming east in the
afternoon. A light chop on the bay.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. A light chop on
the bay. A slight chance of showers after midnight. A slight
chance of showers and thunderstorms early in the morning.
.TUESDAY...East winds 5 to 10 knots. A light 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.
.TUESDAY NIGHT...East winds 5 to 10 knots. A light chop on the
bay. A chance of showers with a slight chance of thunderstorms
early in the evening. A slight chance of showers late in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A light chop on the bay, increasing to
a moderate chop on the bay in the afternoon. A chance of showers
with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. A moderate chop on the bay,
diminishing to a light chop on the bay after midnight. A slight
chance of thunderstorms early in the evening. A chance of showers.
.THURSDAY...Northeast winds 10 to 15 knots. A moderate chop on
the bay. A chance of showers. A slight chance of thunderstorms in
the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. A moderate chop on the bay, diminishing
to a light chop on the bay after midnight. A slight chance of
thunderstorms early in the evening. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-051830-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1246 AM CDT Sun Oct 5 2025

.TODAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 7 seconds. A slight chance of showers and
thunderstorms early this morning, then a slight chance of showers
late this morning.
.TONIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 4 feet. Wave Detail: East 3 feet at
7 seconds.
.MONDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
7 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 7 seconds. A slight chance of showers
after midnight. A slight chance of showers and thunderstorms
early in the morning.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 7 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds. 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.
.WEDNESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. A chance of showers
with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
4 feet. A slight chance of thunderstorms early in the evening. A
chance of showers.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms early in the evening. A chance of
showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-051830-
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-
1246 AM CDT Sun Oct 5 2025

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

Winds and seas higher in and near thunderstorms.

$$