GMZ300-191715-
1133 PM CDT Tue Aug 18 2026
.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.
Light to moderate southwest to south winds are expected over the
next several days. Some gusts to 0kt are possible in the bays
during the late afternoon and evening hours, and in the Gulf
waters overnight. Seas in the 2-4ft range should generally
prevail.
$$
GMZ350-355-191715-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1133 PM CDT Tue Aug 18 2026
OVERNIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and southeast 1 foot at
9 seconds.
WEDNESDAY
Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at
8 seconds.
WEDNESDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at
7 seconds.
THURSDAY
Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at
7 seconds.
THURSDAY NIGHT
South winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds.
FRIDAY
Southwest winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds.
FRIDAY NIGHT
Southwest winds 10 to 15 knots. Seas around
2 feet.
SATURDAY
Southwest winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas around 2 feet.
SATURDAY NIGHT
Southwest winds 10 to 15 knots. Seas around
2 feet.
SUNDAY
Southwest winds 5 to 10 knots. Seas around 2 feet.
SUNDAY NIGHT
South winds 10 to 15 knots. Seas around 2 feet.
$$
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