National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 271847
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
147 PM CDT Mon Jul 27 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.

GMZ300-280730
147 PM CDT Mon Jul 27 2026

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

Light to moderate onshore flow and 2 to 4 foot seas will continue for most of the week. With surface and upper level high pressure dominating, rain chances will be minimal at best through the work week.

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GMZ335-280730
Galveston Bay
147 PM CDT Mon Jul 27 2026

THIS AFTERNOON
South winds around 10 knots, increasing to 10 to 15 knots late. Bay waters smooth, increasing to slightly choppy late.

TONIGHT
Southwest winds 10 to 15 knots. Bay waters slightly choppy.

TUESDAY
Southwest winds around 10 knots, becoming south with gusts up to 20 knots in the afternoon. Bay waters smooth to slightly choppy, increasing to slightly choppy in the afternoon.

TUESDAY NIGHT
Southwest winds 10 to 15 knots. Bay waters slightly choppy.

WEDNESDAY
Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon.

WEDNESDAY NIGHT
Southwest 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.

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

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.

FRIDAY NIGHT
Southwest winds 15 to 20 knots. Bay waters choppy.

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GMZ330-280730
Matagorda Bay
147 PM CDT Mon Jul 27 2026

THIS AFTERNOON
South winds 10 to 15 knots. Bay waters slightly choppy.

TONIGHT
South winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy.

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

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

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

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

THURSDAY
South winds around 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon.

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

FRIDAY
South winds around 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon.

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

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GMZ350-355-280730
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
147 PM CDT Mon Jul 27 2026

THIS AFTERNOON
South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds.

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

TUESDAY
Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds.

TUESDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds.

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

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

THURSDAY
Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas 2 to 3 feet.

THURSDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.

FRIDAY
Southwest winds 10 to 15 knots. Seas 2 to 3 feet.

FRIDAY NIGHT
South winds around 15 knots, becoming southwest 15 to 20 knots after midnight. Seas 2 to 3 feet.

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GMZ370-375-280730
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
147 PM CDT Mon Jul 27 2026

THIS AFTERNOON
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds.

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

TUESDAY
Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds.

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

WEDNESDAY
Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 5 seconds.

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

THURSDAY
South winds 5 to 10 knots. Seas 2 to 3 feet.

THURSDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.

FRIDAY
Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas 2 to 3 feet.

FRIDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.