397
FZUS54 KBRO 241558
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1058 AM CDT Tue Sep 24 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.

GMZ100-250430-
1058 AM CDT Tue Sep 24 2024

.SYNOPSIS...Ridge of high pressure across the north half of the
Gulf will maintain generally favorable conditions through
Wednesday. Tropical Storm Helene is expected to become Hurricane
Helene while moving north-northeast through the eastern Gulf of
Mexico later Wednesday through Thursday evening. Swells will bring
high waves and seas across the Gulf beginning Wednesday night and
continuing through Friday. A weak front will cross the waters
late Thursday with weak high pressure returning Friday, continuing
through Saturday. Small Craft Advisories for seas may be needed
Thursday through Friday.

$$

GMZ130-132-135-250430-
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-
1058 AM CDT Tue Sep 24 2024

.TODAY...Southeast winds around 5 knots, becoming east this
afternoon. Light chop on the bay. Isolated to scattered showers
and thunderstorms through early afternoon.
.TONIGHT...East winds 5 to 10 knots. Light chop on the bay.
Isolated showers and thunderstorms toward daybreak.
.WEDNESDAY...Northeast winds 5 to 10 knots. Light chop on the
bay. A chance of showers. Isolated showers and thunderstorms in
the morning, then scattered thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
early in the morning. Light chop on the bay. A chance of showers
and thunderstorms early in the evening, then a slight chance of
showers and thunderstorms in the late evening and overnight.
.THURSDAY...North winds 10 to 15 knots, becoming northeast late
in the afternoon. A moderate chop on the bay. A slight chance of
showers and thunderstorms until early afternoon.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming
southwest early in the morning. Light chop on the bay,
diminishing to smooth after midnight.
.FRIDAY...West winds around 5 knots, becoming north early in the
afternoon, then becoming east late in the afternoon. Smooth on
the bay.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Light chop on the bay.
.SATURDAY...Southwest winds around 5 knots, becoming west early
in the afternoon, then 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.

Winds and waves higher in and near thunderstorms through Thursday.

$$

GMZ150-155-250430-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1058 AM CDT Tue Sep 24 2024

.TODAY...Southeast winds 5 to 10 knots, becoming east this
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
6 seconds. Scattered showers and thunderstorms mainly through
early afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds. Isolated showers and
thunderstorms mainly after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 5 seconds. Scattered showers with
isolated thunderstorms mainly through early afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
10 to 15 knots toward daybreak. Seas 2 to 3 feet. Wave Detail:
Northeast 2 feet at 5 seconds. A chance of showers and
thunderstorms mainly after midnight.
.THURSDAY...North winds 10 to 15 knots. Seas building to 3 to 5
feet. Wave Detail: Northeast 4 feet at 7 seconds. A chance of
showers with a slight chance of thunderstorms mainly through noon.
.THURSDAY NIGHT...Northeast winds around 10 knots, becoming east
late in the evening, then becoming south after midnight, becoming
southwest early in the morning. Seas building to 4 to 6
feet...occasionally up to 7 feet. Wave Detail:
East 6 feet at 10 seconds.
.FRIDAY...West winds 5 to 10 knots becoming east late in the
afternoon. Seas 5 to 7 feet occasionally up to 9 feet.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 5 to 7 feet subsiding to 3 to 5 feet.
.SATURDAY...Southwest winds 5 to 10 knots, becoming east late in
the afternoon. Seas 3 to 4 feet subsiding to 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms through early
Thursday.

$$

GMZ170-175-250430-
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-
1058 AM CDT Tue Sep 24 2024

.TODAY...Southeast winds 5 to 10 knots, becoming east this
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
6 seconds. Scattered showers and isolated thunderstorms.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds. Isolated showers and
thunderstorms mainly after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 5 seconds. Scattered showers
and isolated thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Northeast 3 feet at 5 seconds. A slight
chance of thunderstorms.
.THURSDAY...North winds 10 to 15 knots. Seas building to 5 to 7
feet, occasionally to 8 feet. Wave Detail: North 5 feet at 7
seconds. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots late in the evening, then becoming east after
midnight, becoming west early in the morning. Seas building to 6
to 9 feet, occasionally to 11 feet. Wave Detail:
Northeast 6 feet at 10 seconds. A slight chance of showers early
in the evening.
.FRIDAY...Northwest winds 5 to 10 knots, becoming north late in
the afternoon. Seas 6 to 9 feet, occasionally to 11 feet.
.FRIDAY NIGHT...East winds around 5 knots, becoming southwest
early in the morning. Seas subsiding to 4 to 6 feet.
.SATURDAY...Southwest winds 5 to 10 knots, becoming northwest
late in the afternoon. Seas subsiding to 2 to 4 feet.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming south
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms through Thursday.

$$

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