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FZUS54 KHGX 040120
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
720 PM CST Wed Dec 3 2025

Upper Texas coastal waters from High Island to the Matagorda Ship
Channel out 60 nautical miles including Galveston and Matagorda
Bays.

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.

GMZ300-041430-
720 PM CST Wed Dec 3 2025

.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.

A coastal trough is forecast to develop tonight bringing periods
of rain and isolated storms tonight into Thursday morning. There
could be some embedded strong storms in the waters in the 11pm-6am
timeframe tonight. Some reduced visibility in sea fog is
anticipated, though it is currently not expected to become dense
due to the precipitation in the region. As the trough passes to
our east Thursday afternoon, moderate to strong north to
northeasterly winds will develop and continue into Friday. Some
upper level disturbances will continue to pass overhead Thursday
afternoon through Friday afternoon keeping rain chances in the
forecast before clearing out on Saturday.

$$

GMZ335-041430-
Galveston Bay-
720 PM CST Wed Dec 3 2025

.REST OF TONIGHT...East winds 10 to 15 knots, becoming northeast
late. Bay waters slightly choppy, diminishing to smooth to
slightly choppy late. A chance of thunderstorms. Showers.
.THURSDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy. Showers with a chance of
thunderstorms.
.THURSDAY NIGHT...North winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy. Showers likely, mainly in
the evening.
.FRIDAY...North winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Bay waters slightly choppy,
diminishing to smooth in the afternoon. Showers likely, mainly in
the morning.
.FRIDAY NIGHT...Northeast winds around 5 knots. Bay waters
smooth. A chance of showers.
.SATURDAY...East winds around 5 knots. Bay waters smooth.
.SATURDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Bay waters smooth.
.SUNDAY...Northwest winds around 10 knots. Bay waters smooth to
slightly choppy.
.SUNDAY NIGHT...North winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY...North winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Bay waters slightly choppy,
diminishing to smooth in the afternoon.
.MONDAY NIGHT...Northeast winds around 5 knots. Bay waters
smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-041430-
Matagorda Bay-
720 PM CST Wed Dec 3 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...Southeast winds 5 to 10 knots, becoming
southwest, then becoming northwest late. Bay waters smooth.
Showers likely with a chance of thunderstorms.
.THURSDAY...North winds around 10 knots, increasing to 15 to
20 knots in the afternoon. Bay waters smooth to slightly choppy,
increasing to choppy in the afternoon. Showers likely. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Bay waters choppy. A chance of showers.
.FRIDAY...North winds 10 to 15 knots with gusts up to 20 knots,
diminishing to around 10 knots in the afternoon. Bay waters
slightly choppy, diminishing to smooth in the afternoon. Showers
likely, mainly in the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters smooth. A
chance of showers.
.SATURDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth.
.SATURDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Bay waters smooth.
.SUNDAY...North winds around 10 knots. Bay waters smooth to
slightly choppy.
.SUNDAY NIGHT...North winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY...North winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Bay waters slightly choppy,
diminishing to smooth in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ355-041430-
Coastal waters from High Island to Freeport TX out 20 NM-
720 PM CST Wed Dec 3 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots with gusts up
to 20 knots, becoming south late. Seas 3 to 4 feet. Wave Detail:
Southeast 4 feet at 5 seconds. A chance of thunderstorms.
Showers.
.THURSDAY...North winds around 15 knots, becoming northeast 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Southeast 4 feet at 6 seconds. Showers with a chance of
thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at
6 seconds. Showers with a chance of thunderstorms in the evening,
then showers likely after midnight.
.FRIDAY...North winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Northeast 3 feet at 5 seconds and south 1 foot at
6 seconds. Showers likely, mainly in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 6 seconds. A chance of showers.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 1 foot at 5 seconds. A chance of showers.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas around 2 feet.
.SUNDAY...Northwest winds around 10 knots. Seas around 2 feet.
.SUNDAY NIGHT...North winds around 15 knots, increasing to 15 to
20 knots after midnight. Seas around 2 feet.
.MONDAY...North winds 15 to 20 knots, diminishing to around
10 knots in the afternoon. Seas around 2 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ350-041430-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
720 PM CST Wed Dec 3 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...Southeast winds 10 to 15 knots with gusts up
to 20 knots, becoming west late. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds. Showers with a chance of
thunderstorms until early morning, then showers likely with a
slight chance of thunderstorms late.
.THURSDAY...North winds around 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: North
3 feet at 4 seconds and southeast 3 feet at 6 seconds. A chance
of thunderstorms. Showers.
.THURSDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet. Wave Detail: Northeast 3 feet at
5 seconds. Showers likely with a chance of thunderstorms in the
evening, then showers likely after midnight.
.FRIDAY...North winds 15 to 20 knots, diminishing to around
10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East
3 feet at 6 seconds. Showers likely, mainly in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 5 seconds and south 1 foot at
6 seconds. A chance of showers.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds. A chance of showers in the
morning.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas around 2 feet.
.SUNDAY...North winds 10 to 15 knots. Seas around 2 feet.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas around 2 feet.
.MONDAY...North winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Northeast winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-041430-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-
720 PM CST Wed Dec 3 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 6 AM CST
THURSDAY...

.REST OF TONIGHT...Southeast winds 15 to 20 knots, becoming south
late. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds. A
chance of thunderstorms. Showers.
.THURSDAY...Northwest winds 10 to 15 knots, becoming northeast in
the afternoon. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at
6 seconds and northeast 3 feet at 4 seconds. Showers with a
chance of thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet. Wave Detail: North 5 feet at
5 seconds and southeast 3 feet at 6 seconds. A chance of
thunderstorms. Showers.
.FRIDAY...North winds 15 to 20 knots, becoming northeast around
10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail:
Northeast 4 feet at 5 seconds and south 2 feet at 6 seconds.
Showers, mainly in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 5 seconds and southeast 2 feet
at 6 seconds. Showers likely.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds. A chance of showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming west
after midnight. Seas around 2 feet.
.SUNDAY...North winds 10 to 15 knots. Seas around 2 feet.
.SUNDAY NIGHT...North winds around 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 3 feet.
.MONDAY...North winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...Northeast winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$