National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 071113
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
613 AM CDT Tue Jul 7 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.

GMZ300-080015
613 AM CDT Tue Jul 7 2026

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

High pressure extending from the Atlantic into the central Gulf will maintain southerly winds through the end of the week. Seas will generally be in the 1 to 3 foot range for the next few days, then slightly build during the second part of the work week as wind speeds increase.

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GMZ335-080015
Galveston Bay
613 AM CDT Tue Jul 7 2026

TODAY
Southwest winds around 10 knots, becoming south 10 to 15 knots this afternoon. Bay waters smooth, increasing to slightly choppy this afternoon. A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and early afternoon. A slight chance of showers and thunderstorms late.

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

THURSDAY
Southwest winds around 10 knots, becoming south 10 to 15 knots with gusts up to 20 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 10 to 15 knots. Bay waters slightly choppy.

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

SATURDAY
South winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms in the morning.

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

Winds and waves higher in and near thunderstorms.

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GMZ330-080015
Matagorda Bay
613 AM CDT Tue Jul 7 2026

TODAY
South winds around 10 knots, increasing to 10 to 15 knots late. Bay waters smooth, increasing to slightly choppy late. A slight chance of showers and thunderstorms.

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

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

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

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

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

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

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

SATURDAY
Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms in the morning.

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

Winds and waves higher in and near thunderstorms.

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GMZ350-355-080015
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
613 AM CDT Tue Jul 7 2026

TODAY
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and early afternoon.

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

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

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

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

THURSDAY NIGHT
South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 5 seconds.

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

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas around 3 feet.

SATURDAY
Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers and thunderstorms in the morning.

SATURDAY NIGHT
Southeast winds 10 to 15 knots. Seas around 3 feet.

Winds and seas higher in and near thunderstorms.

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GMZ370-375-080015
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
613 AM CDT Tue Jul 7 2026

TODAY
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A slight chance of showers and thunderstorms.

TONIGHT
South winds around 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds.

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

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

THURSDAY
South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 6 seconds.

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

FRIDAY
Southeast winds 10 to 15 knots. Seas around 3 feet.

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

SATURDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

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

Winds and seas higher in and near thunderstorms.