National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 121143
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
543 AM CST Thu Feb 12 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.

GMZ300-130015
543 AM CST Thu Feb 12 2026

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

A very weak front is nearly stationary near the coast. Winds are light, and from variable directions along this boundary. Therefore, patchy to areas of fog will continue through mid-late morning. A slightly more favorable environment for fog is expected tonight into Friday morning with lighter east and southeast winds. Winds and seas will be on an upward trend beginning Friday in advance of the next weather system and front expected to pass across the waters Saturday afternoon and night. Showers and scattered storms will probably accompany this Pacific frontal passage.


GMZ335-130015
Galveston Bay
543 AM CST Thu Feb 12 2026

DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING

TODAY
Northeast winds around 5 knots, becoming southeast this afternoon. Bay waters smooth. Areas of dense fog this morning.

TONIGHT
South winds 5 to 10 knots, becoming southeast after midnight. Bay waters smooth. Patchy fog in the evening, then areas of dense fog after midnight.

FRIDAY
Southeast winds 5 to 10 knots. Bay waters smooth. Areas of dense fog in the morning.

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

SATURDAY
Southeast winds around 15 knots, becoming south 15 to 20 knots in the afternoon. Bay waters slightly choppy, increasing to choppy in the afternoon. Widespread dense fog in the morning. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
Southwest winds 15 to 20 knots, becoming west around 15 knots after midnight. Bay waters choppy, diminishing to slightly choppy after midnight. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight.

SUNDAY
Northwest winds 10 to 15 knots. Bay waters slightly choppy.

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

MONDAY
Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth.

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

Winds and waves higher in and near thunderstorms.


GMZ330-130015
Matagorda Bay
543 AM CST Thu Feb 12 2026

DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING

TODAY
Northeast winds around 5 knots, becoming southeast this afternoon. Bay waters smooth. Patchy dense fog this morning. A slight chance of showers early this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. Patchy fog in the evening, then areas of dense fog after midnight.

FRIDAY
Southeast winds around 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. Areas of dense fog in the morning.

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

SATURDAY
Southeast winds around 15 knots, becoming south 15 to 20 knots in the afternoon. Bay waters slightly choppy, increasing to choppy in the afternoon. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
Southwest winds 15 to 20 knots, becoming west around 15 knots after midnight. Bay waters choppy, diminishing to slightly choppy after midnight. A chance of showers and thunderstorms in the evening.

SUNDAY
Northwest winds 10 to 15 knots. Bay waters slightly choppy.

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

MONDAY
Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth.

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

Winds and waves higher in and near thunderstorms.


GMZ350-355-130015
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
543 AM CST Thu Feb 12 2026

DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING

TODAY
Northeast winds around 5 knots, becoming southeast this afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Areas of dense fog this morning.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Patchy fog in the evening, then areas of fog after midnight.

FRIDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and southeast 1 foot at 3 seconds. Areas of dense fog in the morning.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers after midnight.

SATURDAY
Southeast winds around 15 knots, becoming south 15 to 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers in the morning, then showers in the afternoon.

SATURDAY NIGHT
Southwest winds 15 to 20 knots, becoming west after midnight. Seas 3 to 5 feet. Wave Detail: South 5 feet at 6 seconds. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight.

SUNDAY
Northwest winds 10 to 15 knots. Seas 3 to 5 feet.

SUNDAY NIGHT
North winds 5 to 10 knots. Seas 2 to 4 feet.

MONDAY
Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet.

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

Winds and seas higher in and near thunderstorms.


GMZ370-375-130015
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
543 AM CST Thu Feb 12 2026

TODAY
Northeast winds around 5 knots, becoming east around 5 knots this afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.

FRIDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and southeast 1 foot at 3 seconds.

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

SATURDAY
Southeast winds around 15 knots, becoming south 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 5 feet at 6 seconds. A chance of showers in the morning, then showers in the afternoon.

SATURDAY NIGHT
South winds 15 to 20 knots, becoming west after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: South 5 feet at 7 seconds. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight.

SUNDAY
Northwest winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet.

SUNDAY NIGHT
North winds around 10 knots. Seas 3 to 5 feet.

MONDAY
Northeast winds 5 to 10 knots. Seas 3 to 4 feet.

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

Winds and seas higher in and near thunderstorms.