646
FZUS54 KBRO 031756
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1256 PM CDT Thu Jul 3 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.

GMZ100-040615-
1256 PM CDT Thu Jul 3 2025

.SYNOPSIS...Gentle to moderate southeasterly to southerly winds
and slight to moderate (2-4 feet) seas continue throughout the
period. Brief periods of Small Craft Exercise Caution are possible
in the afternoon hours across the Laguna Madre into Saturday.
Otherwise, there is a low to medium (20-40%) chance of showers
and thunderstorms Sunday through Tuesday as southeasterly winds
increase moisture across the Lower Texas coastal waters.

$$

GMZ130-132-135-040615-
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 PM CDT Thu Jul 3 2025

.TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.FRIDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.SATURDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.SUNDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A moderate chop on the bay. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Light chop on the bay. A slight
chance of showers and thunderstorms early in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Light 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.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay. A slight chance of showers and thunderstorms early in the
evening.
.TUESDAY...Southeast winds 5 to 10 knots. Light chop on the bay.
A chance of showers and thunderstorms until late afternoon, then
a slight chance of showers and thunderstorms late in the
afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay. A slight chance of showers and thunderstorms early in the
evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-040615-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1256 PM CDT Thu Jul 3 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 3 feet at 5 seconds and east 1 foot at
9 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds and east 1 foot at
9 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A slight chance of showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers and thunderstorms early in the
evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of thunderstorms. A chance of showers until late
afternoon, then a slight chance of showers late in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. 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.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A chance of showers until late
afternoon, then a slight chance of showers late in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms early in the
evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-040615-
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 PM CDT Thu Jul 3 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds and east 1 foot at
9 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds and east 1 foot at
10 seconds.
.SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds and east 1 foot at
9 seconds.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east
1 foot at 9 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A slight chance of
showers. A slight chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. 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.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A
chance of thunderstorms in the morning. A chance of showers. A
slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. 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.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of thunderstorms in the morning. A chance of showers. A
slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms early in the
evening. A slight chance of showers early in the morning.

Winds and seas higher in and near thunderstorms.

$$