National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 061749
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1249 PM CDT Wed May 6 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.

GMZ300-070630
1249 PM CDT Wed May 6 2026

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

Low clouds, haze, and light to moderate south to southeast flow expected today. A cold front will push offshore this evening into tonight, shifting the winds to a more north to northeast direction. Winds may increase somewhat behind the front, possibly reaching Small Craft Advisory criteria over the Gulf. Winds should veer back to the east then southeast Friday into the weekend. Isolated showers and storms possible today and Thursday. There's a better chance of more widespread showers and storms on Friday and Saturday.

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GMZ335-070630
Galveston Bay
1249 PM CDT Wed May 6 2026

TODAY
South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and thunderstorms late this morning and afternoon.

TONIGHT
South winds 10 to 15 knots, becoming north after midnight. Bay waters slightly choppy. A slight chance of showers and thunderstorms in the evening.

THURSDAY
Northeast winds 10 to 15 knots. Bay waters slightly choppy.

THURSDAY NIGHT
Northeast winds around 10 knots. Bay waters smooth to slightly choppy.

FRIDAY
East winds around 10 knots. Bay waters smooth to slightly choppy. A chance of thunderstorms. Showers.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

SATURDAY
Southeast winds 5 to 10 knots. Bay waters smooth. Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers.

SUNDAY
Northeast winds around 5 knots. Bay waters smooth. A chance of showers in the morning.

SUNDAY NIGHT
Northeast winds around 5 knots, becoming north after midnight. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

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GMZ330-070630
Matagorda Bay
1249 PM CDT Wed May 6 2026

TODAY
Southeast winds around 10 knots. Bay waters smooth to slightly choppy. A slight chance of showers and thunderstorms.

TONIGHT
Southeast winds 5 to 10 knots, becoming northeast after midnight. Bay waters smooth.

THURSDAY
Northeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. A chance of showers in the afternoon.

THURSDAY NIGHT
East winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers after midnight.

FRIDAY
East winds around 10 knots, becoming southeast in the afternoon. Bay waters smooth to slightly choppy. Showers likely. A chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers. A chance of thunderstorms after midnight.

SATURDAY
Southeast winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. Showers likely, mainly in the morning.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms in the evening.

SUNDAY
East winds 5 to 10 knots. Bay waters smooth.

SUNDAY NIGHT
East winds 5 to 10 knots, becoming north after midnight. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

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GMZ350-355-070630
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
1249 PM CDT Wed May 6 2026

TODAY
South winds around 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms late this morning.

TONIGHT
Southeast winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds.

THURSDAY
Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds.

THURSDAY NIGHT
Northeast winds 15 to 20 knots, becoming east around 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds. A chance of showers after midnight.

FRIDAY
East winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers likely. A chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds around 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 1 foot at 4 seconds. A chance of showers and thunderstorms after midnight.

SATURDAY
Southeast winds 5 to 10 knots. Seas 2 to 4 feet. A chance of thunderstorms. Showers likely, mainly in the morning.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms in the evening.

SUNDAY
West winds around 5 knots, becoming northeast in the afternoon. Seas 2 to 3 feet.

SUNDAY NIGHT
East winds around 5 knots, becoming north after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

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GMZ370-375-070630
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
1249 PM CDT Wed May 6 2026

TODAY
South winds 10 to 15 knots with gusts up to 20 knots, becoming southeast around 10 knots this afternoon. Seas 3 to 5 feet. Wave Detail: South 3 feet at 6 seconds.

TONIGHT
Southeast winds 5 to 10 knots, becoming east after midnight. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds.

THURSDAY
Northeast winds around 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds.

THURSDAY NIGHT
Northeast winds 15 to 20 knots, becoming east around 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds.

FRIDAY
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 1 foot at 4 seconds. A chance of showers and thunderstorms after midnight.

SATURDAY
Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of thunderstorms. Showers likely, mainly in the morning.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 3 feet. A chance of showers and thunderstorms.

SUNDAY
Southwest winds around 5 knots, becoming northeast in the afternoon. Seas 2 to 3 feet.

SUNDAY NIGHT
East winds around 5 knots, becoming north after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.