651
FZUS54 KBRO 281816
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
116 PM CDT Thu Aug 28 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.

GMZ100-290715-
116 PM CDT Thu Aug 28 2025

.SYNOPSIS...Mainly gentle to moderate southeasterly winds continue
through Saturday, becoming light to gentle by Sunday with moderate
winds possible in the afternoon. Chances of showers and
thunderstorms increase by Sunday afternoon.

$$

GMZ130-132-135-290715-
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-
116 PM CDT Thu Aug 28 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-290715-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
116 PM CDT Thu Aug 28 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.FRIDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 5 seconds.
.SATURDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at
5 seconds.
.SATURDAY NIGHT...Southeast winds around 10 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet
at 5 seconds and east 1 foot at 8 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds and east 1 foot at 8 seconds. A slight chance of
showers and thunderstorms in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A chance of showers with a slight chance of thunderstorms after
midnight.
.MONDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 2 to 3 feet. A chance of showers and
thunderstorms.
.MONDAY 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 and thunderstorms late in the evening. A
chance of showers and thunderstorms after midnight.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers. A chance of thunderstorms until late
afternoon, then a slight chance of thunderstorms late in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming south early
in the morning. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms early in the evening. A slight chance of showers
and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-290715-
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-
116 PM CDT Thu Aug 28 2025

.TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 6 seconds.
.SATURDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at
5 seconds and east 1 foot at 9 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 5 seconds and east 1 foot at 8 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at
4 seconds and east 1 foot at 8 seconds. A slight chance of
showers and thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming southeast
early in the morning. Seas 2 to 3 feet. A slight chance of
showers in the evening, then a chance of showers and
thunderstorms after midnight.
.MONDAY...Southeast winds around 5 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. A chance of showers and
thunderstorms.
.MONDAY 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 and thunderstorms late in the evening. A
chance of showers and thunderstorms after midnight.
.TUESDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. A chance
of showers. A chance of thunderstorms until late afternoon, then
a slight chance of thunderstorms late in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots, becoming southeast
after midnight. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms early in the evening. A chance of showers with a
slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$