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FZUS54 KHGX 031117
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
517 AM 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.

GMZ300-040030-
517 AM CST Wed Dec 3 2025

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

Winds will veer around to the east to southeasterly today. 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.

$$

GMZ335-040030-
Galveston Bay-
517 AM CST Wed Dec 3 2025

.TODAY...East southeast winds 10 to 15 knots in the upper bay and
near 15 knots lower bay. Bay waters slightly choppy to choppy. A
slight chance of showers with isolated thunderstorms late.
.TONIGHT...East winds 15 to 20 knots. Bay waters choppy. Isolated
thunderstorms. Showers and storms likely. Areas of fog and drizzle.
.THURSDAY...Northeast winds around 15 knots, increasing to 15 to
20 knots in the afternoon. Bay waters slightly choppy, increasing
to choppy in the afternoon. Areas of fog in the morning. Showers
likely. Areas of drizzle and fog in the morning.
.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. Bay waters slightly choppy.
Showers likely, mainly in the morning.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers.
.SATURDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth. A chance of showers in the morning.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming west
after midnight. Bay waters smooth.
.SUNDAY...North winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...North winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-040030-
Matagorda Bay-
517 AM CST Wed Dec 3 2025

.TODAY...Northeast winds around 10 knots, becoming southeast near
15 knots this afternoon. Bay waters slightly choppy to choppy. A
slight chance of showers with isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots, becoming west after
midnight. Bay waters slightly choppy. Areas of drizzle and fog.
Showers likely with possible thunderstorms.
.THURSDAY...North winds around 15 knots, increasing to 15 to
20 knots in the afternoon. Bay waters slightly choppy, increasing
to choppy in the afternoon. Areas of drizzle and fog in the
morning. Showers likely.
.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. Bay waters slightly choppy.
Showers likely, mainly in the morning.
.FRIDAY NIGHT...North winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers.
.SATURDAY...North winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...West winds 5 to 10 knots. Bay waters smooth.
.SUNDAY...North winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...North winds around 10 knots, increasing to 10 to
15 knots after midnight. Bay waters smooth, increasing to
slightly choppy after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-040030-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
517 AM CST Wed Dec 3 2025

.TODAY...East winds around 15 knots becoming southeast. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A chance of
showers with isolated thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots, becoming southwest
after midnight. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet
at 5 seconds. Showers likely with isolated thunderstorms. Areas
of drizzle and fog.
.THURSDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds.
Areas of fog in the morning. Showers with a chance of
thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at
5 seconds. Showers likely. A chance of thunderstorms after
midnight.
.FRIDAY...North winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Northeast 4 feet at 6 seconds. Showers likely.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 5 seconds. A chance of showers.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers in the morning.
.SATURDAY NIGHT...North winds 5 to 10 knots, becoming northwest
after midnight. Seas around 2 feet.
.SUNDAY...North winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-040030-
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-
517 AM CST Wed Dec 3 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT FROM NOON CST
TODAY THROUGH LATE TONIGHT...

.TODAY...Southeast winds 10 to 15 knots this morning increasing to 15
to 20 knots this afternoon. Seas 3 to 4 feet. Wave Detail:
East 3 feet at 6 seconds. A slight chance of showers with isolated
thunderstorms early this afternoon. A chance of showers with
isolated thunderstorms late.
.TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds.
Showers likely with isolated thunderstorms.
.THURSDAY...Northwest winds around 15 knots, becoming north in
the afternoon. Seas 4 to 5 feet. Wave Detail: East 5 feet at
6 seconds. Showers with a chance of thunderstorms.
.THURSDAY NIGHT...North winds around 20 knots with gusts up to
25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 5 seconds. Showers likely. A chance of
thunderstorms after midnight.
.FRIDAY...North winds 15 to 20 knots, becoming northeast around
15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail:
Northeast 5 feet at 6 seconds. Showers.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 5 seconds. A chance of showers
in the evening, then showers likely after midnight.
.SATURDAY...Northeast winds around 10 knots. Seas 2 to 3 feet. A
chance of showers. A chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...North winds around 10 knots, becoming northwest
after midnight. Seas around 2 feet.
.SUNDAY...North winds 5 to 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$