797
FZUS54 KBRO 201420
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
920 AM CDT Thu Jun 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.

GMZ100-202200-
920 AM CDT Thu Jun 20 2024

.SYNOPSIS...Strong to fresh east to southeast flow continues
through Friday morning in wake of Tropical Storm Alberto. A
moderate onshore flow persist through the weekend with seas slow
to subside. Small Craft Advisories are likely to persist over the
Gulf waters until the seas lower which may not be until late
Saturday. Mariners will need to monitor the weather forecast for
the possibility of another tropical low pressure system that is
expected to develop and move into the southern Gulf of Mexico as
early as Saturday night. National Hurricane Center has a 20
percent chance of Tropical Cyclone formation in the next 2 days
and 50 percent in 7 days.

$$

GMZ130-132-135-202200-
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 Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TODAY...East winds 25 to 30 knots, diminishing to 20 to
25 knots late this afternoon. Very rough on the bay, diminishing
to rough late this afternoon. A chance of showers and
thunderstorms late this morning, then showers and thunderstorms
likely this afternoon.
.TONIGHT...East winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots with gusts up to 30 knots after
midnight. Rough on the bay, diminishing to choppy after midnight.
A chance of thunderstorms. Showers likely, mainly in the evening.
.FRIDAY...East winds 15 to 20 knots. Choppy on the bay. Showers
with a chance of thunderstorms.
.FRIDAY NIGHT...East winds 10 to 15 knots. A moderate chop on the
bay. A chance of thunderstorms. Showers.
.SATURDAY...East winds 10 to 15 knots. A moderate chop on the
bay. A chance of thunderstorms. Showers.
.SATURDAY NIGHT...East winds 10 to 15 knots. A moderate chop on
the bay. A chance of thunderstorms. Showers likely.
.SUNDAY...East winds 10 to 15 knots. A moderate chop on the bay.
Showers with a chance of thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots, diminishing to 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
thunderstorms.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. A moderate chop on the bay. A chance of
thunderstorms. Showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay. 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.

$$

GMZ150-155-202200-
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 Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TODAY...East winds 25 to 30 knots. Seas 13 to 15 feet,
occasionally to 19 feet, subsiding to 11 to 14 feet, occasionally
to 18 feet this afternoon. Wave Detail: East 14 feet at
10 seconds, becoming east 12 feet at 10 seconds. A chance of
showers and thunderstorms late this morning, then showers and
thunderstorms likely this afternoon.
.TONIGHT...East winds 20 to 25 knots with gusts up to 30 knots.
Seas 9 to 12 feet, occasionally to 15 feet, subsiding to 8 to
10 feet, occasionally to 13 feet after midnight. Wave Detail:
East 11 feet at 9 seconds, becoming east 9 feet at 9 seconds. A
chance of thunderstorms. Showers likely, mainly in the evening.
.FRIDAY...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 8 feet at 9 seconds.
Showers with a chance of thunderstorms.
.FRIDAY NIGHT...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 8 seconds.
Showers with a chance of thunderstorms.
.SATURDAY...East winds around 15 knots. Seas 4 to 5 feet,
building to 5 to 7 feet, occasionally to 9 feet in the afternoon.
Wave Detail: East 5 feet at 8 seconds, becoming east 6 feet at
8 seconds. A chance of thunderstorms. Showers.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 8 seconds. A
chance of thunderstorms. Showers.
.SUNDAY...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of thunderstorms. Showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. A
chance of thunderstorms.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. A chance
of thunderstorms. Showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Showers likely with a chance of thunderstorms early in the
evening, then a chance of showers with a slight chance of
thunderstorms in the late evening and overnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-202200-
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 Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TODAY...East winds 25 to 30 knots. Seas 14 to 16 feet,
occasionally to 20 feet, subsiding to 12 to 15 feet, occasionally
to 19 feet this afternoon. Wave Detail: East 15 feet at
10 seconds, becoming east 13 feet at 10 seconds. A chance of
thunderstorms. A chance of showers late this morning, then
showers likely this afternoon.
.TONIGHT...East winds 20 to 25 knots. Seas 9 to 12 feet,
occasionally to 15 feet. Wave Detail: East 11 feet at 9 seconds.
A chance of thunderstorms.
.FRIDAY...East winds 15 to 20 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: East 8 feet at 9 seconds.
Showers with a chance of thunderstorms.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 7 feet at 8 seconds.
Showers with a chance of thunderstorms.
.SATURDAY...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 7 feet at 8 seconds. A
chance of thunderstorms. Showers.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 7 feet at 8 seconds. A
chance of thunderstorms. Showers.
.SUNDAY...East winds around 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A chance of thunderstorms. Showers.
.SUNDAY NIGHT...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of thunderstorms. Showers.
.MONDAY...Southeast winds around 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of thunderstorms. Showers.
.MONDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet. A chance of showers. A chance of thunderstorms early in
the evening, then a slight chance of thunderstorms in the late
evening and overnight.

Winds and seas higher in and near thunderstorms.

$$