Coastal Waters Forecast
Issued by NWS Brownsville, TX

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156
FZUS54 KBRO 051420
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
920 AM CDT Fri Jul 5 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.

GMZ100-060315-
920 AM CDT Fri Jul 5 2024

.SYNOPSIS...High pressure over the northern Gulf of Mexico
continues to provide favorable wind and sea conditions along the
lower Texas coast through Saturday afternoon. Marine conditions
steadily deteriorate Saturday evening with potential tropical
storm or hurricane conditions developing Sunday through Monday
with the current National Hurricane Center Track taking Beryl
through the lower Texas coastal waters. Mariners and other marine
interests should continue to stay tuned to the latest tropical
updates from the National Hurricane Center.

$$

GMZ130-132-135-060315-
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-
920 AM CDT Fri Jul 5 2024

.REST OF TODAY...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Light chop on the bay.
.SATURDAY...South winds around 5 knots, becoming east in the
afternoon. Light chop on the bay. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. A moderate chop on
the bay. A slight chance of thunderstorms. A slight chance of
showers.
.SUNDAY...Northeast winds 10 to 15 knots, becoming east 15 to
20 knots in the afternoon. Choppy on the bay. Showers likely with
a slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots, becoming southeast 20 to 25 knots with gusts up to
30 knots after midnight. Rough on the bay. Showers likely with a
slight chance of thunderstorms.
.MONDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots, diminishing to 15 to 20 knots with gusts up to 30 knots
in the afternoon. Choppy on the bay. Showers likely with a slight
chance of thunderstorms.
.MONDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots early in the morning. Choppy on the bay,
diminishing to a moderate chop early in the morning. A slight
chance of thunderstorms. Showers likely early in the evening,
then a chance of showers in the late evening and overnight.
.TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay. Showers likely with a slight chance of thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. Showers likely with a chance of thunderstorms early
in the evening, then a chance of showers and thunderstorms in the
late evening and overnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-060315-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
920 AM CDT Fri Jul 5 2024

.REST OF TODAY...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.SATURDAY...Southeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds and east 2 feet at 12 seconds. A slight chance of
showers late in the morning. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
building to 4 to 6 feet, occasionally to 8 feet after midnight.
Wave Detail: East 3 feet at 8 seconds, becoming east 6 feet at
11 seconds. A slight chance of thunderstorms. A chance of
showers.
.SUNDAY...East winds 15 to 20 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: East 8 feet at 10 seconds.
Showers likely with a slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 20 to 25 knots, becoming southeast
early in the morning. Seas 8 to 11 feet, occasionally to 14 feet.
Wave Detail: East 9 feet at 8 seconds. Showers likely with a
slight chance of thunderstorms.
.MONDAY...Southeast winds 20 to 25 knots. Seas 7 to 10 feet,
occasionally to 13 feet, subsiding to 6 to 8 feet, occasionally
to 10 feet in the afternoon. Showers likely with a slight chance
of thunderstorms.
.MONDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A slight chance of thunderstorms. Showers
likely early in the evening, then a chance of showers in the late
evening and overnight.
.TUESDAY...Southeast winds around 15 knots. Seas 4 to 5 feet.
Showers likely with a slight chance of thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
5 feet, building to 5 to 7 feet, occasionally to 9 feet after
midnight. Showers likely with a chance of thunderstorms early in
the evening, then a chance of showers and thunderstorms in the
late evening and overnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-060315-
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-
920 AM CDT Fri Jul 5 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 5 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds and southeast 2 feet at
8 seconds.
.SATURDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds and southeast 2 feet at 4 seconds. A slight chance of
showers and thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots early in the morning. Seas 3 to 4 feet, building to 5 to
7 feet, occasionally to 9 feet after midnight. Wave Detail:
Southeast 4 feet at 11 seconds, becoming southeast 7 feet at
11 seconds. A slight chance of thunderstorms. A chance of
showers.
.SUNDAY...East winds 15 to 20 knots with gusts up to 30 knots,
increasing to 20 to 25 knots with gusts up to 30 knots in the
afternoon. Seas 7 to 10 feet, occasionally to 13 feet, building
to 9 to 11 feet, occasionally to 14 feet in the afternoon. Wave
Detail: Southeast 10 feet at 10 seconds, becoming east 10 feet at
9 seconds. Showers likely with a slight chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots, increasing to
25 to 30 knots early in the morning. Seas 10 to 12 feet,
occasionally to 15 feet. Wave Detail: East 10 feet at 9 seconds.
Showers likely with a slight chance of thunderstorms.
.MONDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding
to 6 to 9 feet, occasionally to 11 feet in the afternoon. Showers
likely with a slight chance of thunderstorms.
.MONDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A slight chance of thunderstorms. Showers
likely early in the evening, then a chance of showers in the late
evening and overnight.
.TUESDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet, subsiding to 4 to 5 feet in the
afternoon. Showers likely with a slight chance of thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 6 to
8 feet, occasionally to 10 feet. Showers likely with a chance of
thunderstorms early in the evening, then a chance of showers and
thunderstorms in the late evening and overnight.

Winds and seas higher in and near thunderstorms.

$$