448
FZUS54 KBRO 200807
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
307 AM CDT Sat Jul 20 2024

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.

GMZ100-202115-
307 AM CDT Sat Jul 20 2024

.SYNOPSIS...High pressure persists across the northern Gulf of
Mexico through the weekend, maintaining light to moderate
southeasterly winds and low seas. Shower and thunderstorm chances
increase late in the weekend. Showers and thunderstorms can
produce locally elevated winds and seas.

$$

GMZ130-132-135-202115-
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-
307 AM CDT Sat Jul 20 2024

.TODAY...South winds around 5 knots, becoming southeast this
afternoon. Smooth on the bay, increasing to light chop this
afternoon. A slight chance of showers and thunderstorms late this
afternoon.
.TONIGHT...Southeast winds around 10 knots, becoming south after
midnight. Light chop on the bay.
.SUNDAY...South winds 5 to 10 knots, becoming southeast early in
the afternoon, then increasing to 10 to 15 knots late in the
afternoon. Light chop on the bay, increasing to a moderate chop
late in the afternoon. A chance of showers. A slight chance of
thunderstorms early in the morning, then a chance of
thunderstorms in the afternoon.
.SUNDAY 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. A chance of showers with a
slight chance of thunderstorms early in the evening.
.MONDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots late in the afternoon. Light chop on the bay, increasing
to a moderate chop late in the afternoon. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. 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, increasing to 10 to
15 knots late in the afternoon. Light chop on the bay, increasing
to a moderate chop late in the afternoon. A chance of showers and
thunderstorms.
.TUESDAY 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. A chance of
showers and thunderstorms early in the evening. A slight chance
of showers and thunderstorms late in the evening, then a chance
of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Light chop on the
bay. A chance of thunderstorms. Showers likely.
.WEDNESDAY 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. Showers likely with a chance of
thunderstorms in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-202115-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
307 AM CDT Sat Jul 20 2024

.TODAY...South winds 5 to 10 knots, becoming southeast this
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
5 seconds.
.TONIGHT...Southeast winds around 10 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
3 seconds and southeast 1 foot at 6 seconds. A slight chance of
showers and thunderstorms early in the morning.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
5 seconds. A chance of showers. A slight chance of thunderstorms
early in the morning, then a chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers
with a slight chance of thunderstorms early in the evening. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of
showers and thunderstorms early in the evening. A slight chance
of showers and thunderstorms after midnight.
.TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
early in the morning. Seas 2 to 4 feet. A chance of showers and
thunderstorms early in the evening. A slight chance of showers
and thunderstorms late in the evening, then a chance of showers
and thunderstorms after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
chance of thunderstorms. Showers likely.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A chance of thunderstorms in the evening. A chance of
showers. A slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-202115-
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-
307 AM CDT Sat Jul 20 2024

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

Winds and seas higher in and near thunderstorms.

$$