National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 060651
CWFHGX

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

GMZ300-061915
151 AM CDT Wed May 6 2026

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

Moderate onshore flow will continue through Wednesday night before increasing from the northeast on Thursday behind a cold front. The front will bring a chance of showers and thunderstorms on Thursday and Friday. Rain chances may linger through Saturday. A few heavier thunderstorms are possible. Winds could approach Small Craft criteria Thursday evening and night. Winds should weaken and veer east by Saturday.

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GMZ335-061915
Galveston Bay
151 AM CDT Wed May 6 2026

REST OF TONIGHT
South winds 10 to 15 knots. Bay waters slightly choppy.

WEDNESDAY
South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and thunderstorms.

WEDNESDAY NIGHT
South winds 10 to 15 knots, becoming northwest around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight.

THURSDAY
North winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms in the afternoon.

THURSDAY NIGHT
Northeast winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers after midnight.

FRIDAY
East winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. Showers likely.

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

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

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

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

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

Winds and waves higher in and near thunderstorms.

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GMZ330-061915
Matagorda Bay
151 AM CDT Wed May 6 2026

REST OF TONIGHT
South winds 10 to 15 knots. Bay waters slightly choppy.

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

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots, becoming east after midnight. Bay waters smooth.

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

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

FRIDAY
East winds around 10 knots. Bay waters smooth to slightly choppy. Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon.

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

SATURDAY
East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters smooth. A chance of showers and thunderstorms.

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

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

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

Winds and waves higher in and near thunderstorms.

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GMZ350-355-061915
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
151 AM CDT Wed May 6 2026

REST OF TONIGHT
South winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: South 3 feet at 5 seconds.

WEDNESDAY
South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds.

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 3 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: Southeast 3 feet at 7 seconds. A chance of showers in the afternoon.

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

FRIDAY
East winds around 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 2 feet at 4 seconds. Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 4 feet. A chance of showers and thunderstorms.

SATURDAY
East winds 5 to 10 knots. Seas 2 to 4 feet. A chance of showers and thunderstorms.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.

SUNDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.

SUNDAY NIGHT
Southeast winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

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GMZ370-375-061915
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
151 AM CDT Wed May 6 2026

REST OF TONIGHT
South winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 6 seconds.

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

WEDNESDAY NIGHT
South winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds.

THURSDAY
East winds around 10 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers in the morning.

THURSDAY NIGHT
Northeast winds 15 to 20 knots, becoming east around 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds and northeast 3 feet at 4 seconds. A chance of showers after midnight.

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

FRIDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 4 feet. A chance of showers after midnight.

SATURDAY
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms in the morning.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 3 feet.

SUNDAY
South winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet.

SUNDAY NIGHT
East winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.