National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 101745
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1245 PM CDT Thu Sep 10 2026

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.

GMZ300-110615
1245 PM CDT Thu Sep 10 2026

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

Scattered shower and thunderstorm activity should linger through the early afternoon hours before tapering. Another round of scattered showers and storms is expected late overnight into Friday morning. Once again, a few storms could produce wind gusts over 30 knots and a waterspout. Expect light to occasionally moderate onshore winds, 2 to 3 foot Gulf seas, and a daily risk of showers and thunderstorms through the weekend.

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GMZ335-110615
Galveston Bay
1245 PM CDT Thu Sep 10 2026

THIS AFTERNOON
South winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms.

TONIGHT
South winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight.

FRIDAY
Southwest winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A chance of showers and thunderstorms.

FRIDAY NIGHT
South winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and thunderstorms after midnight.

SATURDAY
South winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon.

SATURDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth.

SUNDAY
Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms.

SUNDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth.

MONDAY
Southeast winds 5 to 10 knots. Bay waters smooth.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters slightly choppy.

Winds and waves higher in and near thunderstorms.

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GMZ330-110615
Matagorda Bay
1245 PM CDT Thu Sep 10 2026

THIS AFTERNOON
Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms.

TONIGHT
South winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers with a slight chance of thunderstorms after midnight.

FRIDAY
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 chance of showers and thunderstorms.

FRIDAY NIGHT
South winds 10 to 15 knots. Bay waters slightly choppy.

SATURDAY
South winds 10 to 15 knots. Bay waters slightly choppy.

SATURDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters slightly choppy.

SUNDAY
Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters slightly choppy.

MONDAY
Southeast winds 10 to 15 knots. Bay waters slightly choppy.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters slightly choppy.

Winds and waves higher in and near thunderstorms.

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GMZ350-355-110615
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
1245 PM CDT Thu Sep 10 2026

THIS AFTERNOON
Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms late.

TONIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

FRIDAY
Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

FRIDAY NIGHT
South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.

SATURDAY
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers and thunderstorms.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers after midnight.

SUNDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

MONDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

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GMZ370-375-110615
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
1245 PM CDT Thu Sep 10 2026

THIS AFTERNOON
East winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms late.

TONIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers and thunderstorms after midnight.

FRIDAY
Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east 1 foot at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.

FRIDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.

SATURDAY
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers and thunderstorms.

SATURDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds.

SUNDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 4 feet.

MONDAY
Southeast winds around 10 knots. Seas 3 to 4 feet.

MONDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.