National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 050547
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1147 PM CST Wed Mar 4 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.

GMZ300-051815
1147 PM CST Wed Mar 4 2026

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

Dense fog has been observed in and near Galveston Bay, so a Marine Dense Fog Advisory is in effect through Thursday morning. A long fetch of southeast winds will persist over the coastal waters through the weekend. Warmer air moving over the cooler shelf waters near and off the Galveston coast will be favorable for periods of haze and fog...moreso in the Gulf waters...though it could intermittently move into southern Galveston Bay during the overnight and early morning hours. Rain chances increase this weekend, though at the current time, it appears the best chances will be inland near a stalled frontal boundary.

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GMZ335-051815
Galveston Bay
1147 PM CST Wed Mar 4 2026

DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THURSDAY

TODAY
Southeast winds around 10 knots, increasing to 10 to 15 knots this afternoon. Bay waters slightly choppy. Areas of dense fog early this morning, then patchy fog late this morning. A slight chance of showers and thunderstorms early this afternoon.

TONIGHT
Southeast winds 10 to 15 knots. Bay waters slightly choppy. Patchy dense fog.

THURSDAY
Southeast winds 10 to 15 knots. Bay waters slightly choppy. Patchy dense fog.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters slightly choppy. Patchy fog.

FRIDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. Patchy fog in the morning.

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

SATURDAY
Southeast winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. Showers likely.

SUNDAY
East winds 5 to 10 knots. Bay waters smooth. Showers.

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

Winds and waves higher in and near thunderstorms.

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GMZ330-051815
Matagorda Bay
1147 PM CST Wed Mar 4 2026

TODAY
Southeast winds around 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this morning and afternoon. Bay waters smooth, increasing to slightly choppy late this morning and afternoon. Patchy fog early this morning.

TONIGHT
Southeast winds 10 to 15 knots. Bay waters slightly choppy. Patchy fog.

THURSDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. Patchy fog.

THURSDAY NIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy. Patchy fog.

FRIDAY
Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy.

FRIDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy.

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

SATURDAY NIGHT
Southeast winds 10 to 15 knots, becoming east around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. A chance of showers in the evening, then showers likely after midnight.

SUNDAY
East winds 5 to 10 knots. Bay waters smooth. Showers likely, mainly in the morning.

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

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GMZ355-051815
Coastal waters from High Island to Freeport TX out 20 NM
1147 PM CST Wed Mar 4 2026

DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THURSDAY

TODAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Areas of dense fog this morning, then patchy fog this afternoon.

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Areas of dense fog.

THURSDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Patchy dense fog.

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

FRIDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Patchy fog in the morning.

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

SATURDAY
Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Showers likely.

SUNDAY
East winds 5 to 10 knots. Seas 3 to 4 feet. Showers likely.

SUNDAY NIGHT
Southeast winds around 10 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

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GMZ350-051815
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM
1147 PM CST Wed Mar 4 2026

TODAY
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds. Patchy fog early this morning. A slight chance of showers and thunderstorms early this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds. Patchy fog.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Patchy fog.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Patchy fog in the evening.

FRIDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.

SATURDAY
Southeast winds around 10 knots. Seas 4 to 5 feet. A chance of showers in the afternoon.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 4 to 5 feet. A chance of showers in the evening, then showers likely after midnight.

SUNDAY
East winds 5 to 10 knots. Seas 4 to 5 feet. Showers likely, mainly in the morning.

SUNDAY NIGHT
Southeast winds around 10 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

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GMZ370-375-051815
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
1147 PM CST Wed Mar 4 2026

TODAY
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds. Patchy fog early this morning. Areas of fog late this morning.

TONIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. Patchy fog.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Patchy fog in the morning.

THURSDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.

FRIDAY
Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.

FRIDAY NIGHT
Southeast winds around 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.

SATURDAY
Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers.

SUNDAY
East winds 5 to 10 knots. Seas 4 to 5 feet. Showers likely.

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

Winds and seas higher in and near thunderstorms.