GMZ300-191415-
849 PM CDT Sat Apr 18 2026
.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.
Lingering showers and isolated storms will continue into early
Sunday morning in the wake of a cold front. Hazardous marine
conditions are expected into early Sunday afternoon due to the
strong northeasterly winds and building seas developing behind the
cold front. There will be a chance for gusts to gale in the Bays
late tonight into early Sunday morning with gale conditions
expected in the Gulf Waters. Winds will lower through the day on
Sunday, but seas may remain elevated into Sunday night. Water
levels are expected to remain near 3.0 feet above Mean Lower Low
Water during high tide cycles going into early next week.
$$
GMZ370-375-191415-
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-
849 PM CDT Sat Apr 18 2026
GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
Southeast winds around 10 knots, becoming
northeast around 20 knots late this evening, then becoming north
20 to 25 knots with gusts up to 35 knots, becoming northeast
around 30 knots late. Seas 3 to 4 feet, building to 4 to 6 feet,
occasionally to 8 feet. Wave Detail: South 2 feet at 6 seconds,
becoming northeast 4 feet at 4 seconds and south 2 feet at
5 seconds. A chance of showers and thunderstorms.
SUNDAY
Northeast winds around 30 knots with gusts up to
40 knots, diminishing to 20 to 25 knots with gusts up to 30 knots
in the afternoon. Seas 7 to 10 feet, occasionally to 13 feet.
Wave Detail: Northeast 8 feet at 7 seconds and south 1 foot at
6 seconds. A chance of showers with a slight chance of
thunderstorms in the morning, then a slight chance of showers in
the afternoon.
SUNDAY NIGHT
East winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 8 feet at
7 seconds. A chance of showers after midnight.
MONDAY
East winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East
6 feet at 7 seconds. A chance of showers.
MONDAY NIGHT
East winds around 15 knots with gusts up to
20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 3 feet at 6 seconds. A chance of showers.
TUESDAY
Southeast winds around 15 knots with gusts up to
20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at
7 seconds. A chance of showers in the morning, then showers
likely with a chance of thunderstorms in the afternoon.
TUESDAY NIGHT
East winds 15 to 20 knots, becoming southeast
around 15 knots after midnight. Seas around 4 feet. A chance of
thunderstorms. Showers likely, mainly in the evening.
WEDNESDAY
Southeast winds 10 to 15 knots. Seas around 4 feet.
A chance of thunderstorms. Showers likely, mainly in the morning.
WEDNESDAY NIGHT
Southeast winds 15 to 20 knots. Seas around
4 feet.
THURSDAY
Southeast winds around 15 knots. Seas 4 to 5 feet.
THURSDAY NIGHT
Southeast winds 15 to 20 knots. Seas 4 to
5 feet.
Winds and seas higher in and near thunderstorms.
$$
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