National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 130605
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1205 AM CST Tue Jan 13 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.

GMZ300-131915
1205 AM CST Tue Jan 13 2026

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

Mariners should anticipate negative tide levels through the week, especially around low tide cycles in the central and northern half of the the bays. Otherwise, look for light winds and low seas through Tuesday. The next front is expected to push into the waters Wednesday afternoon with increasing northwest and north winds filling in behind it Wednesday night into Thursday along with building seas.

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GMZ335-131915
Galveston Bay
1205 AM CST Tue Jan 13 2026

LOW WATER ADVISORY IN EFFECT UNTIL NOON CST TODAY

REST OF TONIGHT
East winds around 5 knots, becoming light and variable. Bay waters smooth. A slight chance of showers late.

TUESDAY
Northwest winds around 5 knots. Bay waters smooth. A slight chance of showers.

TUESDAY NIGHT
West winds 5 to 10 knots. Bay waters smooth.

WEDNESDAY
West winds around 15 knots, becoming northwest 15 to 20 knots in the afternoon. Bay waters slightly choppy, increasing to choppy in the afternoon.

WEDNESDAY NIGHT
North winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy.

THURSDAY
North winds 15 to 20 knots, diminishing to around 10 knots in the afternoon. Bay waters choppy, diminishing to smooth in the afternoon.

THURSDAY NIGHT
Southeast winds around 5 knots, becoming southwest after midnight. Bay waters smooth.

FRIDAY
Southwest winds 5 to 10 knots. Bay waters smooth.

FRIDAY NIGHT
Southwest winds 5 to 10 knots, becoming north after midnight. Bay waters smooth.

SATURDAY
Northeast winds around 10 knots. Bay waters smooth to slightly choppy.

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

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GMZ330-131915
Matagorda Bay
1205 AM CST Tue Jan 13 2026

REST OF TONIGHT
Northeast winds around 5 knots. Bay waters smooth. A slight chance of showers.

TUESDAY
North winds around 5 knots. Bay waters smooth. A slight chance of showers.

TUESDAY NIGHT
West winds 5 to 10 knots. Bay waters smooth.

WEDNESDAY
West winds around 15 knots, becoming northwest 15 to 20 knots in the afternoon. Bay waters slightly choppy, increasing to choppy in the afternoon.

WEDNESDAY NIGHT
North winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy.

THURSDAY
North winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Bay waters choppy, diminishing to slightly choppy in the afternoon.

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

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

FRIDAY NIGHT
Southeast winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight.

SATURDAY
Northeast winds 10 to 15 knots. Bay waters slightly choppy.

SATURDAY NIGHT
East winds around 10 knots. Bay waters smooth to slightly choppy.

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GMZ350-355-131915
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM
1205 AM CST Tue Jan 13 2026

REST OF TONIGHT
Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers.

TUESDAY
North winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers.

TUESDAY NIGHT
West winds around 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds and east 2 feet at 6 seconds.

WEDNESDAY
Northwest winds 15 to 20 knots with gusts up to 25 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds and east 1 foot at 6 seconds.

WEDNESDAY NIGHT
North winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 4 seconds.

THURSDAY
North winds 20 to 25 knots, diminishing to around 15 knots in the afternoon. Seas 3 to 5 feet, subsiding to 2 to 3 feet in the afternoon. Wave Detail: Northeast 4 feet at 5 seconds, becoming northeast 3 feet at 5 seconds.

THURSDAY NIGHT
Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet in the evening, then 1 foot or less.

FRIDAY
Southwest winds 5 to 10 knots. Seas around 2 feet.

FRIDAY NIGHT
South winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Seas around 2 feet.

SATURDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.

SATURDAY NIGHT
Northeast winds 10 to 15 knots. Seas around 2 feet.

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GMZ370-375-131915
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
1205 AM CST Tue Jan 13 2026

REST OF TONIGHT
Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds. A slight chance of showers late.

TUESDAY
North winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds. A slight chance of showers.

TUESDAY NIGHT
West winds around 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds and east 2 feet at 6 seconds.

WEDNESDAY
West winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: West 3 feet at 5 seconds and east 2 feet at 6 seconds.

WEDNESDAY NIGHT
North winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northwest 5 feet at 5 seconds and east 1 foot at 6 seconds, becoming north 7 feet at 6 seconds and east 1 foot at 6 seconds.

THURSDAY
North winds 20 to 25 knots with gusts up to 30 knots, diminishing to around 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet in the afternoon. Wave Detail: North 7 feet at 6 seconds, becoming north 5 feet at 6 seconds.

THURSDAY NIGHT
East winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet.

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

FRIDAY NIGHT
South winds around 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 3 feet.

SATURDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.

SATURDAY NIGHT
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.