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000
FZUS54 KBRO 211520
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1020 AM CDT Sun Apr 21 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.

GMZ100-220430-
1020 AM CDT Sun Apr 21 2024

.SYNOPSIS...

A cold front will move through the Lower Texas coastal waters this
morning. Strong north winds and building seas will occur behind
the front as high pressure builds south across the area. As a
result, small craft advisories will be in effect for the coastal
waters into tonight. Showers and thunderstorms will be possible
along and behind the front through Monday but will be most
numerous through the evening hours. Onshore flow will begin to
develop by Monday night as high pressure begins moving eastward.
Onshore flow will then increase by Wednesday into Thursday as the
overall pressure gradient tightens.

$$

GMZ130-132-135-220430-
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-
1020 AM CDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.REST OF TODAY...North winds 20 to 25 knots with gusts up to
30 knots. Rough on the bay. A slight chance of thunderstorms late
this morning. A chance of showers. A chance of thunderstorms this
afternoon.
.TONIGHT...Northeast winds 20 to 25 knots decreasing to 10 to
15 knots after midnight. Rough on the bay becoming a moderate
chop after midnight. A slight chance of thunderstorms in the
evening. A slight chance of showers.
.MONDAY...Northeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers.
.MONDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. A moderate chop on the bay becoming
light chop after midnight.
.TUESDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Light chop on the bay becoming a
moderate chop in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate
chop on the bay.
.THURSDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. A moderate chop on the bay becoming
choppy in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-220430-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1020 AM CDT Sun Apr 21 2024

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

.REST OF TODAY...North winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, with occasional seas up to 8 feet. A
slight chance of thunderstorms late this morning. A chance of
showers. A chance of thunderstorms this afternoon.
.TONIGHT...Northeast winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 6 to 8 feet, with occasional seas
up to 9 feet. A slight chance of thunderstorms in the evening. A
slight chance of showers.
.MONDAY...Northeast winds 10 to 15 knots. Seas 5 to 7 feet, with
occasional seas up to 8 feet subsiding to 4 to 5 feet in the
afternoon. A slight chance of showers.
.MONDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. Seas 3 to 5 feet.
.TUESDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
5 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-220430-
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-
1020 AM CDT Sun Apr 21 2024

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

.REST OF TODAY...Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 5 feet building to 6 to 8 feet, with
occasional seas up to 9 feet this afternoon. A slight chance of
thunderstorms late this morning. A chance of showers. A chance of
thunderstorms this afternoon.
.TONIGHT...Northeast winds 20 to 25 knots decreasing to 15 to
20 knots after midnight. Seas 6 to 9 feet, with occasional seas
up to 11 feet. A slight chance of showers and thunderstorms in
the evening.
.MONDAY...Northeast winds 10 to 15 knots. Seas 5 to 7 feet, with
occasional seas up to 8 feet. A slight chance of showers.
.MONDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. Seas 4 to 5 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds around 15 knots. Seas 4 to 5 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Gusts to
30 knots after midnight. Seas 4 to 5 feet building to 5 to
7 feet, with occasional seas up to 8 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

MB