Coastal Waters Forecast
Issued by NWS Brownsville, TX

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660
FZUS54 KBRO 150547
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1247 AM CDT Sun Jun 15 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.

GMZ100-151830-
1247 AM CDT Sun Jun 15 2025

.SYNOPSIS...Generally moderate winds and seas will prevail along
the Lower Texas Coast through the forecast with a modest pressure
gradient in place. Neither Small Craft Should Exercise Caution nor
Small Craft Advisory are anticipated to be needed.

$$

GMZ130-132-135-151830-
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-
1247 AM CDT Sun Jun 15 2025

.TODAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers and thunderstorms this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south early
in the morning. A moderate chop on the bay.
.MONDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. A chance of showers until late afternoon. A chance of
thunderstorms in the afternoon. A slight chance of showers and
thunderstorms late in the afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Choppy bay waters. A slight chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate
chop on the bay. A slight chance of showers and thunderstorms in
the evening, then a chance of showers and thunderstorms after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay. A chance of thunderstorms. Showers likely.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. A chance of showers and thunderstorms in the evening,
then showers likely with a slight chance of thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-151830-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1247 AM CDT Sun Jun 15 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms until late afternoon.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south early
in the morning. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet
at 6 seconds. A slight chance of showers and thunderstorms after
midnight. A slight chance of showers early in the morning.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers early
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms after midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms until late afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 6 seconds.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A
chance of thunderstorms. Showers.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet. A chance of showers and thunderstorms in the evening,
then showers likely with a slight chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-151830-
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-
1247 AM CDT Sun Jun 15 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms early this morning, then a slight chance of showers
and thunderstorms this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south early
in the morning. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet
at 6 seconds. A slight chance of thunderstorms until early
morning. A slight chance of showers.
.MONDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers until
late afternoon. A chance of thunderstorms in the afternoon, then
a slight chance of showers and thunderstorms late in the
afternoon.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms early in the evening. A slight chance
of showers and thunderstorms after midnight.
.TUESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A chance of showers in the
morning. A slight chance of thunderstorms. A slight chance of
showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight
chance of showers after midnight.
.WEDNESDAY...Southeast winds around 15 knots. Seas 4 to 5 feet. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet. A chance of showers and thunderstorms.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet,
building to 5 to 7 feet, occasionally to 9 feet in the afternoon.
Showers with a chance of thunderstorms.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to
7 feet, occasionally to 9 feet. Showers likely with a chance of
thunderstorms early in the evening, then a chance of showers with
a slight chance of thunderstorms late in the evening. Showers
likely with a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$