National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 140520
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1220 AM CDT Thu May 14 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.

GMZ300-141815
1220 AM CDT Thu May 14 2026

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

Expect some land breeze driven winds early today, shifting onshore this afternoon, then increasing tonight through Friday. Moderate onshore winds are anticipated throughout the weekend, likely prompting caution flags at least. Water levels may rise above 3.0ft MLLW with high tide on Saturday, then 3.5 ft MLLW at high tide on Sunday. This will also prompt a higher risk of rip currents across Gulf facing beaches. Rain chances should increase into next week.

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GMZ335-141815
Galveston Bay
1220 AM CDT Thu May 14 2026

REST OF TONIGHT
Southwest winds 5 to 10 knots. Bay waters smooth.

THURSDAY
West winds around 5 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
South winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy.

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

SATURDAY
South winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy.

SATURDAY NIGHT
Southeast winds 15 to 20 knots. Bay waters choppy.

SUNDAY
Southeast winds 15 to 20 knots. Bay waters choppy.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Bay waters choppy.

MONDAY
Southeast winds 15 to 20 knots. Bay waters choppy. A chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Bay waters choppy.

Winds and waves higher in and near thunderstorms.

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GMZ330-141815
Matagorda Bay
1220 AM CDT Thu May 14 2026

REST OF TONIGHT
Southwest winds 5 to 10 knots. Bay waters smooth.

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

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

FRIDAY
South winds around 15 knots, increasing to 15 to 20 knots in the afternoon. Bay waters slightly choppy, increasing to choppy in the afternoon.

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

SATURDAY
Southeast winds 15 to 20 knots. Bay waters choppy.

SATURDAY NIGHT
Southeast winds 15 to 20 knots. Bay waters choppy.

SUNDAY
Southeast winds 15 to 20 knots. Bay waters choppy.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Bay waters choppy.

MONDAY
Southeast winds 15 to 20 knots. Bay waters choppy.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Bay waters choppy. A chance of thunderstorms in the evening. A chance of showers.

Winds and waves higher in and near thunderstorms.

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GMZ350-355-141815
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
1220 AM CDT Thu May 14 2026

REST OF TONIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds.

THURSDAY
Southwest winds around 5 knots, becoming south in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 1 foot at 4 seconds.

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

FRIDAY
South winds around 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds.

FRIDAY NIGHT
South winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 5 seconds.

SATURDAY
Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds.

SATURDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 5 feet.

SUNDAY
Southeast winds 15 to 20 knots. Seas 3 to 5 feet.

SUNDAY NIGHT
Southeast winds around 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

MONDAY
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

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GMZ370-375-141815
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
1220 AM CDT Thu May 14 2026

REST OF TONIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds.

THURSDAY
Southwest winds around 5 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds and southeast 1 foot at 8 seconds, becoming southeast 1 foot at 8 seconds.

THURSDAY NIGHT
South winds around 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 8 seconds.

FRIDAY
South winds around 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds.

FRIDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds.

SATURDAY
Southeast winds around 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: South 4 feet at 6 seconds.

SATURDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to 5 feet.

SUNDAY
Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

SUNDAY NIGHT
Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet.

MONDAY
Southeast winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet.

MONDAY NIGHT
Southeast winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet.