GMZ300-300615-
1203 PM CDT Wed Jul 29 2026
.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.
Light to moderate onshore flow and 2 to 4 foot seas will continue
for most of the week. Winds may become more southerly during the
afternoon and hours. Southwesterly winds increase and seas build
somewhat over the weekend, which may prompt the issuance of
caution flags. We also expect an increase chance of isolated to
scattered showers and thunderstorms by the weekend and early next
week.
$$
GMZ350-355-300615-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1203 PM CDT Wed Jul 29 2026
THIS AFTERNOON
South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 5 seconds.
TONIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
THURSDAY
Southwest winds 10 to 15 knots, becoming south around
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
3 feet at 5 seconds.
THURSDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 5 seconds.
FRIDAY
Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds.
FRIDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 5 seconds.
SATURDAY
Southwest winds around 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet.
SATURDAY NIGHT
Southwest winds 15 to 20 knots. Seas 2 to
4 feet. A chance of showers and thunderstorms after midnight.
SUNDAY
West winds 15 to 20 knots, becoming southwest around
15 knots in the afternoon. Seas 2 to 4 feet. A chance of showers
and thunderstorms in the morning.
SUNDAY NIGHT
Southwest winds around 15 knots. Seas 2 to
3 feet.
Winds and seas higher in and near thunderstorms.
$$
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