923
FZUS54 KHGX 120407
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1107 PM CDT Thu Sep 11 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.

GMZ300-121630-
1107 PM CDT Thu Sep 11 2025

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

Light to occasionally moderate easterly winds will continue
through Friday. Small craft should exercise caution through
early Friday morning as wind gusts rise to around 20kt, and may
continue into Friday afternoon. Rain chances are near zero
Saturday, but then some isolated activity may begin to develop as
early as Sunday afternoon through the weekend.

$$

GMZ335-121630-
Galveston Bay-
1107 PM CDT Thu Sep 11 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Bay waters smooth.
.SATURDAY...North winds around 5 knots, becoming southeast in the
afternoon. Bay waters smooth.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters smooth.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY...East winds 5 to 10 knots. Bay waters smooth.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Bay waters smooth, increasing to smooth to slightly
choppy in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

$$

GMZ330-121630-
Matagorda Bay-
1107 PM CDT Thu Sep 11 2025

.OVERNIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to around 10 knots after midnight. Bay
waters slightly choppy, diminishing to smooth after midnight.
.SATURDAY...East winds around 10 knots, becoming southeast 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.SUNDAY...Southeast winds around 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
smooth, increasing to slightly choppy in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to around 10 knots after midnight. Bay
waters slightly choppy, diminishing to smooth after midnight.
.MONDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
.MONDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
.TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.

$$

GMZ350-355-121630-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1107 PM CDT Thu Sep 11 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
FRIDAY...

.OVERNIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 5 seconds.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to around 10 knots after midnight. Seas
2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...Southeast winds around 10 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet.

$$

GMZ370-375-121630-
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-
1107 PM CDT Thu Sep 11 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT
FRIDAY...

.OVERNIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds.
.FRIDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

$$