924
FZUS54 KHGX 140049
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
749 PM CDT Wed Aug 13 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.

GMZ300-141330-
749 PM CDT Wed Aug 13 2025

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

Generally light onshore winds and low seas are anticipated for
the next several days. Mariners should expect scattered late
night through afternoon showers and thunderstorms each day into
the weekend, with the best chances Friday and Saturday.

$$

GMZ335-141330-
Galveston Bay-
749 PM CDT Wed Aug 13 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
A slight chance of showers and thunderstorms.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight. A chance of showers and
thunderstorms in the evening.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY...West winds around 5 knots, becoming southeast in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Bay waters smooth.
.MONDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-141330-
Matagorda Bay-
749 PM CDT Wed Aug 13 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Bay waters
slightly choppy.
.THURSDAY...Southwest winds around 10 knots, becoming south 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy.
.FRIDAY...South winds around 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
smooth, increasing to slightly choppy in the afternoon. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms after
midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-141330-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
749 PM CDT Wed Aug 13 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of
showers and thunderstorms.
.THURSDAY...Southwest winds 10 to 15 knots, becoming south around
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
2 feet at 5 seconds. A chance of showers and thunderstorms,
mainly in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at
4 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers
and thunderstorms after midnight.
.SATURDAY...South winds 10 to 15 knots, becoming southeast around
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
3 feet at 6 seconds. A chance of showers and thunderstorms in the
morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.MONDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet. A chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-141330-
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-
749 PM CDT Wed Aug 13 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds.
.THURSDAY...Southwest winds 10 to 15 knots, becoming south around
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
2 feet at 5 seconds. A chance of showers and thunderstorms,
mainly in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 5 seconds.
.FRIDAY...Southeast winds around 10 knots. Seas 2 to 4 feet. Wave
Detail: South 3 feet at 6 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 6 seconds. A chance of showers and
thunderstorms after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 6 seconds. A chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet.
.SUNDAY...Southeast winds around 5 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas around 2 feet.
.MONDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet. A chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$