926
FZUS54 KBRO 080556
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1256 AM CDT Wed Oct 8 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.

GMZ100-081815-
1256 AM CDT Wed Oct 8 2025

.SYNOPSIS...The pressure gradient will strengthen slightly
today into tonight resulting in moderate northeasterly winds and
building seas through late Friday. Small Craft Exercise Caution
conditions will become likely tonight and continue into Friday.
Long period swell is expected to continue into next weekend.
Expect an increasing chance of showers and thunderstorms through
Thursday before diminishing on Friday.

$$

GMZ130-132-135-081815-
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-
1256 AM CDT Wed Oct 8 2025

.TODAY...Northeast winds 10 to 15 knots. A moderate chop on the
bay. A chance of showers and thunderstorms until late afternoon,
then a slight chance of showers and thunderstorms late this
afternoon.
.TONIGHT...Northeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers until early morning, then a
chance of showers early in the morning.
.THURSDAY...Northeast winds 15 to 20 knots. Choppy on the bay. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Choppy on the bay, diminishing to
a moderate chop after midnight. A chance of showers in the
evening, then a slight chance of showers and thunderstorms after
midnight.
.FRIDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. A moderate chop on the bay, increasing
to choppy in the afternoon. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. A moderate chop on the bay,
diminishing to light chop after midnight. A slight chance of
showers early in the evening.
.SATURDAY...East winds 5 to 10 knots. Light chop on the bay.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Light chop on the bay.
.SUNDAY...Southeast winds 5 to 10 knots. Light chop on the bay.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-081815-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1256 AM CDT Wed Oct 8 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Showers likely this morning. A
chance of thunderstorms. A chance of showers this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds. A chance of showers early in
the evening. A slight chance of showers in the late evening and
early morning, then a chance of showers early in the morning.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 5 feet,
building to 5 to 7 feet, occasionally to 9 feet in the afternoon.
Wave Detail: East 5 feet at 7 seconds. A chance of showers early
in the morning, then a slight chance of thunderstorms late in the
morning. Showers likely in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: East 5 feet at 7 seconds. A chance of
showers until early morning. A slight chance of thunderstorms
after midnight. A slight chance of showers early in the morning.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
7 seconds. A slight chance of thunderstorms.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East
4 feet at 7 seconds. A slight chance of showers early in the
evening.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...East winds around 10 knots, becoming southeast
after midnight. Seas 3 to 4 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-081815-
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-
1256 AM CDT Wed Oct 8 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. Showers likely with a chance of
thunderstorms this morning, then a chance of showers with a
slight chance of thunderstorms this afternoon.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. A chance of showers early in
the evening. A slight chance of showers in the late evening and
early morning, then a chance of showers early in the morning.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 6 seconds.
Showers likely.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at
7 seconds. Showers likely in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.FRIDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds. A
chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: Northeast 5 feet at 6 seconds. A chance of showers
early in the evening, then a slight chance of showers late in the
evening.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...East winds around 10 knots, becoming southeast
after midnight. Seas 3 to 5 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. A slight chance of showers early in the morning.

Winds and seas higher in and near thunderstorms.

$$