167
FZUS54 KBRO 051728
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1228 PM 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.

GMZ100-060615-
1228 PM 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.

$$

GMZ130-132-135-060615-
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-
1228 PM CDT Sun Oct 5 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-060615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1228 PM CDT Sun Oct 5 2025

.TONIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 4 feet. Wave Detail: East 3 feet at
7 seconds. A slight chance of showers after midnight.
.MONDAY...Southwest winds around 5 knots, becoming east 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 and southeast 1 foot at
3 seconds. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
7 seconds. A chance of thunderstorms. A chance of showers.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 7 seconds. A slight chance of
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East
3 feet at 6 seconds. 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 chance of showers.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Showers likely until late afternoon. A slight chance of
thunderstorms late in the morning. A chance of showers late in
the afternoon.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
4 feet. A chance of showers. A slight chance of thunderstorms
after midnight.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. A
slight chance of thunderstorms. A chance of showers until late
afternoon, then a slight chance of showers late in the afternoon.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. Seas 3 to 5 feet. A slight chance
of thunderstorms early in the evening. A slight chance of
showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-060615-
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-
1228 PM CDT Sun Oct 5 2025

.TONIGHT...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...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at
7 seconds and south 1 foot at 3 seconds. A slight chance of
showers and thunderstorms early 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 and thunderstorms after
midnight.
.TUESDAY...Southeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
7 seconds. 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 around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at
7 seconds. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: East 3 feet at 6 seconds. A slight chance of
thunderstorms until late afternoon. Showers likely.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
4 feet. Showers likely until early morning, then a chance of
showers early in the morning.
.THURSDAY...Northeast winds around 15 knots. Seas 3 to 5 feet.
Showers likely.
.THURSDAY NIGHT...Northeast winds around 15 knots. Seas 4 to
5 feet. Showers likely early in the evening, then a chance of
showers in the late evening and overnight. A slight chance of
thunderstorms after midnight.
.FRIDAY...Northeast winds around 15 knots. Seas 4 to 5 feet. A
chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet.
A chance of showers with a slight chance of thunderstorms early
in the evening, then a slight chance of showers in the late
evening and overnight.

Winds and seas higher in and near thunderstorms.

$$