National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 272101
CWFHGX

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

GMZ300-280945
401 PM CDT Wed May 27 2026

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

A storm complex moving over our coastal waters will continue to push eastward through this evening. Lightning, chaotic seas, and gusty winds are possible in and around storms. Northeast winds at 20-25 knots with gusts of 30-34 knots are expected to develop over the bays and Gulf waters behind the main line of the storm complex. Thus, a Small Craft Advisory has been issued and is in effect through this evening. Conditions improve tonight. A more typical seasonable weather is then anticipated going into the weekend with light onshore winds, low seas, and slight chances of showers and thunderstorms each day.


GMZ335-280945
Galveston Bay
401 PM CDT Wed May 27 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY

THIS AFTERNOON
Southeast winds 20 to 25 knots with gusts up to 35 knots. Bay waters rough. Showers and thunderstorms likely.

TONIGHT
Southwest winds 20 to 25 knots with gusts up to 35 knots, becoming west around 10 knots after midnight. Bay waters rough, diminishing to smooth after midnight. A chance of showers and thunderstorms.

THURSDAY
Northwest winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth.

THURSDAY NIGHT
Southeast winds 5 to 10 knots, becoming south after midnight. Bay waters smooth.

FRIDAY
South winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth.

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

SATURDAY
Southwest winds around 5 knots, becoming south in the afternoon. Bay waters smooth.

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

SUNDAY
South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters smooth.

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

Winds and waves higher in and near thunderstorms.


GMZ330-280945
Matagorda Bay
401 PM CDT Wed May 27 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING

THIS AFTERNOON
Northeast winds around 20 knots with gusts up to 35 knots. Bay waters choppy. Showers and thunderstorms likely.

TONIGHT
Northeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening.

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

THURSDAY NIGHT
Southeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay waters smooth.

FRIDAY
Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters smooth.

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

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

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

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

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

Winds and waves higher in and near thunderstorms.


GMZ355-375-280945
Coastal waters from High Island to Freeport TX out 20 NM
Waters from High Island to Freeport TX from 20 to 60 NM
401 PM CDT Wed May 27 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY

THIS AFTERNOON
Southeast winds around 20 knots with gusts up to 35 knots. Seas 4 to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers and thunderstorms.

TONIGHT
Northeast winds 20 to 25 knots with gusts up to 35 knots, becoming southwest around 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Showers and thunderstorms likely, mainly in the evening.

THURSDAY
Northeast winds around 5 knots, becoming east in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers and thunderstorms in the morning.

THURSDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds.

FRIDAY
Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

FRIDAY NIGHT
South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

SATURDAY
South winds around 5 knots. Seas around 2 feet.

SATURDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.

SUNDAY
South winds 5 to 10 knots. Seas around 2 feet.

SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.


GMZ350-370-280945
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM
Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM
401 PM CDT Wed May 27 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING

THIS AFTERNOON
East winds 20 to 25 knots with gusts up to 35 knots. Seas 4 to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms.

TONIGHT
Northeast winds 15 to 20 knots with gusts up to 35 knots, becoming east around 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the evening.

THURSDAY
East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds.

THURSDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

FRIDAY
Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.

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

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. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.