853
FZUS54 KBRO 041741
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1241 PM 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.

GMZ100-050615-
1241 PM 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.

$$

GMZ130-132-135-050615-
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-
1241 PM CDT Sat Oct 4 2025

.TONIGHT...Northeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. Light chop on the bay, diminishing to
smooth after midnight.
.SUNDAY...North winds around 5 knots, becoming northeast in the
afternoon. Smooth on the bay, increasing to light chop in the
afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming south after
midnight. Light chop on the bay, diminishing to smooth after
midnight.
.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.
.TUESDAY...Southeast winds 5 to 10 knots, becoming east in the
afternoon. Light chop on the bay. A slight chance of
thunderstorms early in the morning, then a chance of
thunderstorms in the afternoon. A chance of showers.
.TUESDAY NIGHT...East winds 5 to 10 knots. Light chop on the bay.
A chance of showers 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. Light chop on the bay, increasing to a
moderate chop in the afternoon. Showers likely 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.
.THURSDAY...Northeast winds 10 to 15 knots. A moderate chop on
the bay. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY NIGHT...East 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 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 after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-050615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1241 PM CDT Sat Oct 4 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-050615-
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-
1241 PM CDT Sat Oct 4 2025

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

Winds and seas higher in and near thunderstorms.

$$