Coastal Waters Forecast
Issued by NWS Brownsville, TX

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FZUS54 KBRO 160213
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
913 PM CDT Tue Oct 15 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.

GMZ100-161515-
913 PM CDT Tue Oct 15 2024

.SYNOPSIS...Favorable marine conditions will continue through
tonight, before a weak frontal boundary arrives with increased
onshore flow and deteriorating marine conditions on Wednesday.
Elevated winds and seas are expected to continue offshore into
the weekend, with adverse conditions possible at times across the
bay and nearshore waters into late week. The chance of thunderstorms
returns mid week into the weekend.

$$

GMZ130-132-135-161515-
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-
913 PM CDT Tue Oct 15 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT...

.REST OF TONIGHT...Southeast winds 5 to 10 knots, becoming
southwest early this morning. Light chop on the bay, diminishing
to smooth early this morning.
.WEDNESDAY...West winds 5 to 10 knots, becoming northeast 10 to
15 knots late in the morning, then increasing to 15 to 20 knots
with gusts up to 30 knots in the afternoon. Light chop on the
bay, increasing to a moderate chop late in the morning, then
increasing to choppy in the afternoon. A slight chance of showers
and thunderstorms late in the morning. A chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Choppy on the bay. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.THURSDAY...East winds 10 to 15 knots. A moderate chop on the
bay. A chance of showers with a slight chance of thunderstorms
early in the morning, then a slight chance of showers in the
afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots, becoming southeast
early in the morning. A moderate chop on the bay. A slight chance
of showers early in the evening.
.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...East winds 10 to 15 knots. A moderate chop on the
bay.
.SATURDAY NIGHT...East winds 10 to 15 knots. A moderate chop on
the bay. A slight chance of showers after midnight.
.SUNDAY...East winds 10 to 15 knots. A moderate chop on the bay.
A slight chance of showers.
.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 slight chance
of showers until early morning.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-161515-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
913 PM CDT Tue Oct 15 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

.REST OF TONIGHT...Southeast winds 5 to 10 knots, becoming south
early this morning. Seas 2 to 3 feet. Wave Detail: East 1 foot at
6 seconds and southeast 1 foot at 3 seconds.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming northeast
10 to 15 knots late in the morning, then increasing to 15 to
20 knots early in the afternoon, increasing to 20 to 25 knots
with gusts up to 30 knots late in the afternoon. Seas 2 to
3 feet, building to 4 to 6 feet, occasionally to 8 feet in the
afternoon. Wave Detail: East 2 feet at 5 seconds, becoming
northeast 6 feet at 7 seconds. A slight chance of thunderstorms
in the morning. A chance of showers. A chance of thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...East winds 20 to 25 knots with gusts up to
30 knots, diminishing to 15 to 20 knots early in the morning.
Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast
8 feet at 8 seconds. A chance of showers. A chance of
thunderstorms until early morning, then a slight chance of
thunderstorms early in the morning.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 7 feet at 8 seconds. A
chance of showers with a slight chance of thunderstorms early in
the morning, then a slight chance of showers in the afternoon.
.THURSDAY NIGHT...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 5 feet at 8 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers late in the
morning.
.SATURDAY NIGHT...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A slight chance of showers after
midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-161515-
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-
913 PM CDT Tue Oct 15 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY EVENING...

.REST OF TONIGHT...Southeast winds 5 to 10 knots, becoming south
early this morning. Seas 2 to 3 feet. Wave Detail: East 1 foot at
6 seconds and south 1 foot at 3 seconds.
.WEDNESDAY...East winds 5 to 10 knots, becoming northeast 20 to
25 knots with gusts up to 30 knots. Seas 2 to 3 feet, building to
4 to 6 feet, occasionally to 8 feet in the afternoon. Wave
Detail: East 2 feet at 5 seconds and southeast 1 foot at
3 seconds, becoming northeast 6 feet at 7 seconds. A chance of
showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 9 feet at
8 seconds. A chance of showers. A chance of thunderstorms early
in the evening, then a slight chance of thunderstorms in the late
evening and overnight.
.THURSDAY...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 8 feet at 9 seconds. A
chance of showers with a slight chance of thunderstorms early in
the morning, then a slight chance of showers in the afternoon.
.THURSDAY NIGHT...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 8 seconds.
.FRIDAY...East winds around 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 5 feet at 8 seconds.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.SATURDAY...East winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A slight chance of showers. A slight
chance of thunderstorms late in the morning.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers.
.SUNDAY...East winds around 15 knots. Seas 7 to 9 feet,
occasionally to 11 feet. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A chance of showers until early morning,
then a slight chance of showers early in the morning.

Winds and seas higher in and near thunderstorms.

$$