797
FZUS54 KBRO 040910
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
410 AM CDT Sat Oct 4 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.

GMZ100-042215-
410 AM CDT Sat Oct 4 2025

.SYNOPSIS...Light to moderate easterly winds and moderate seas
are expected this weekend. Seas are expected to subside slightly
Monday, with slight to moderate seas continuing through mid week.
Isolated to scattered showers and thunderstorms will be possible
through the period.

$$

GMZ130-132-135-042215-
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-
410 AM CDT Sat Oct 4 2025

.TODAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots this afternoon. Light chop on the bay, increasing to a
moderate chop this afternoon. A slight chance of showers and
thunderstorms until late afternoon.
.TONIGHT...Northeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. Light chop on the bay, diminishing to
smooth after midnight. A slight chance of showers and
thunderstorms after midnight.
.SUNDAY...North winds around 5 knots, becoming northeast in the
afternoon. Smooth on the bay, increasing to light chop in the
afternoon. A slight chance of showers and thunderstorms until
late afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Light chop on the bay.
.MONDAY...South winds around 5 knots, becoming east in the
afternoon. Smooth on the bay, increasing to light chop in the
afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay. A slight chance of showers and thunderstorms after midnight.
.TUESDAY...East winds 5 to 10 knots. Light chop on the bay. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Light chop on the bay.
A chance of showers and 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. Light chop on the bay, increasing to a
moderate chop 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 light chop after midnight. A slight chance of
thunderstorms early in the evening. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-042215-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
410 AM CDT Sat Oct 4 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-042215-
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-
410 AM CDT Sat Oct 4 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Northeast 4 feet at 7 seconds. A chance of showers. A
slight chance of thunderstorms this morning, then a chance of
thunderstorms this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, becoming east 5 to
10 knots after midnight. Seas 3 to 5 feet. Wave Detail: Northeast
4 feet at 8 seconds. A slight chance of showers and thunderstorms
early in the evening, then a chance of showers and thunderstorms
late in the evening. A slight chance of showers and thunderstorms
after midnight.
.SUNDAY...Northeast winds around 5 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 7 seconds. A slight chance of showers
and thunderstorms until late afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet
at 7 seconds. A slight chance of showers after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: East 3 feet at 7 seconds. A slight chance of showers. A
slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 4 seconds and east 2 feet at
7 seconds. A slight chance of showers until early morning. A
slight chance of thunderstorms after midnight. A chance of
showers early in the morning.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A chance
of showers. A slight chance of thunderstorms in the morning, then
a chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. A
chance of showers. A chance of thunderstorms early in the
evening. A slight chance of thunderstorms early in the morning.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 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 2 to
4 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$