014
FZUS54 KBRO 260820
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
320 AM CDT Thu Sep 26 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.

GMZ100-262130-
320 AM CDT Thu Sep 26 2024

.SYNOPSIS...The passage of a cold front today will bring increased
winds and seas to the Lower Texas Coastal waters. Additionally,
swell arriving from Hurricane Helene may further enhance seas
later this afternoon through Friday. Winds and seas are expected
to subside this weekend as high pressure returns across the
Northern Gulf.

$$

GMZ130-132-135-262130-
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-
320 AM CDT Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...North winds 10 to 15 knots, increasing to 15 to 20 knots
early this afternoon, then diminishing to 10 to 15 knots late
this afternoon. A moderate chop on the bay, increasing to choppy
early this afternoon, then diminishing to a moderate chop late
this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the late evening and early morning, then becoming
northwest early in the morning. A moderate chop on the bay,
diminishing to light chop in the late evening and early morning,
then diminishing to smooth early in the morning.
.FRIDAY...Northwest winds 5 to 10 knots, becoming northeast late
in the afternoon. Light chop on the bay, diminishing to smooth
early in the afternoon, then increasing to light chop late in the
afternoon.
.FRIDAY NIGHT...East winds around 5 knots, becoming southwest
early in the morning. Smooth on the bay.
.SATURDAY...Southwest winds around 5 knots, becoming west late in
the morning, then becoming north early in the afternoon, becoming
east late in the afternoon. Smooth on the bay.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming south
after midnight. Smooth on the bay.
.SUNDAY...West winds around 5 knots, becoming east late in the
afternoon. Smooth on the bay, increasing to light chop late in
the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming south early in
the morning. Light chop on the bay, diminishing to smooth after
midnight.
.MONDAY...West winds around 5 knots, becoming north late in the
morning, then becoming east in the afternoon. Smooth on the bay,
increasing to light chop in the afternoon. A slight chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay. A slight chance of showers and thunderstorms in the evening,
then a slight chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-262130-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
320 AM CDT Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...North winds 15 to 20 knots. Seas 2 to 4 feet, building
to 4 to 6 feet, occasionally to 8 feet this afternoon. Wave
Detail: Northeast 4 feet at 5 seconds and north 2 feet at
2 seconds, becoming northeast 5 feet at 6 seconds and northwest
2 feet at 3 seconds. A slight chance of showers and thunderstorms
until late afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight, then becoming north early in the
morning. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 6 seconds and east 5 feet at 12 seconds.
.FRIDAY...Northwest winds 5 to 10 knots, becoming northeast late
in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet,
subsiding to 4 to 5 feet in the afternoon. Wave Detail: East
5 feet at 11 seconds.
.FRIDAY NIGHT...East winds around 5 knots, becoming southwest
early in the morning. Seas 3 to 4 feet. Wave Detail: East 4 feet
at 10 seconds.
.SATURDAY...Southwest winds 5 to 10 knots, becoming west late in
the morning, then becoming northwest early in the afternoon,
becoming east late in the afternoon. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 10 seconds and northeast 1 foot at
4 seconds.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at
9 seconds and northeast 1 foot at 4 seconds.
.SUNDAY...Southwest winds 5 to 10 knots, becoming northeast late
in the afternoon. Seas 1 to 2 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms after midnight.
.MONDAY...South winds around 5 knots, becoming north late in the
morning, then becoming northeast in the afternoon. Seas 1 to
2 feet. A slight chance of thunderstorms. A slight chance of
showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-262130-
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-
320 AM CDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH FRIDAY AFTERNOON...

.TODAY...North winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. Seas 3 to 5 feet, building to 5 to 7 feet,
occasionally to 9 feet this afternoon. Wave Detail: Northeast
4 feet at 5 seconds and southeast 2 feet at 12 seconds, becoming
north 5 feet at 6 seconds and east 3 feet at 12 seconds. A chance
of showers and thunderstorms until late afternoon, then a slight
chance of showers and thunderstorms late this afternoon.
.TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the late evening and overnight. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 6 feet at 11 seconds
and north 5 feet at 6 seconds.
.FRIDAY...North winds 5 to 10 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 11 seconds.
.FRIDAY NIGHT...Northeast winds around 5 knots, becoming
southeast late in the evening, then becoming south after
midnight, becoming southwest early in the morning. Seas 3 to
5 feet. Wave Detail: East 4 feet at 10 seconds and north 3 feet
at 5 seconds.
.SATURDAY...West winds 5 to 10 knots, becoming north late in the
afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at
10 seconds and north 2 feet at 4 seconds.
.SATURDAY NIGHT...Northeast winds around 5 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at
4 seconds and east 2 feet at 8 seconds.
.SUNDAY...Southwest winds 5 to 10 knots, becoming north in the
afternoon, then becoming northeast late in the afternoon. Seas
2 to 3 feet. A slight chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming southeast
after midnight. Seas 2 to 3 feet. A slight chance of
thunderstorms. A slight chance of showers.
.MONDAY...East winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A slight chance of showers until
early morning, then a chance of showers early in the morning.

Winds and seas higher in and near thunderstorms.

$$