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Hurricane Symbol Storm Special! View the latest observations near Atlantic Hurricane Sam.

National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 281536
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
1036 AM CDT Tue Sep 28 2021

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.

GMZ300-290430-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
1036 AM CDT Tue Sep 28 2021

SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM

Light to moderate onshore winds will continue throughout the week.
Winds will hover near Caution criteria for a few hours at a time
throughout the week, and Caution flags might be required as early
as tonight for some of our coastal waters. Scattered to numerous
showers and isolated storms are expected throughout the week and
into the weekend, so expect brief stronger wind gusts and locally
higher seas near the strongest activity.



GMZ335-290430-
Galveston Bay-
1036 AM CDT Tue Sep 28 2021

REST OF TODAY
South winds around 10 knots becoming southeast
10 to 15 knots in the afternoon. Bay waters smooth becoming
slightly choppy in the afternoon. Showers with thunderstorms
likely in the late morning and early afternoon, then a chance of
showers and thunderstorms late in the afternoon.

TONIGHT
South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms in the evening,
then showers and thunderstorms likely after midnight.

WEDNESDAY
South winds 5 to 10 knots becoming southeast in the
afternoon. Bay waters smooth becoming smooth to slightly choppy
in the afternoon. Showers and thunderstorms likely.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. Bay waters slightly choppy becoming
smooth after midnight. A chance of showers in the evening.
Showers likely after midnight.

THURSDAY
Southeast winds 5 to 10 knots. Bay waters smooth.
Showers and thunderstorms likely.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms.

FRIDAY
Southeast winds around 10 knots. Bay waters smooth to
slightly choppy. Showers and thunderstorms likely.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers and thunderstorms.

SATURDAY
East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.

SATURDAY NIGHT
East winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms.



GMZ330-290430-
Matagorda Bay-
1036 AM CDT Tue Sep 28 2021

REST OF TODAY
South winds around 10 knots becoming southeast
in the afternoon. Bay waters smooth to slightly choppy becoming
slightly choppy in the afternoon. A chance of showers and
thunderstorms.

TONIGHT
South winds 15 to 20 knots. Bay waters choppy. A
slight chance of showers and thunderstorms early in the evening.
Showers and thunderstorms likely after midnight.

WEDNESDAY
Southeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers and thunderstorms likely until late afternoon,
then a chance of showers and thunderstorms late in the afternoon.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers until early morning. A
chance of thunderstorms. Showers likely late.

THURSDAY
Southeast winds around 10 knots. Bay waters smooth to
slightly choppy. Showers and thunderstorms.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms.

FRIDAY
Southeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers and thunderstorms likely.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms.

SATURDAY
East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.

SATURDAY NIGHT
East winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.



GMZ350-355-290430-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1036 AM CDT Tue Sep 28 2021

REST OF TODAY
South winds 10 to 15 knots becoming southeast in
the afternoon. Seas 2 to 3 feet. Showers and thunderstorms likely
in the late morning and early afternoon, then a chance of showers
and thunderstorms late in the afternoon.

TONIGHT
South winds 15 to 20 knots. Seas 2 to 4 feet. A chance
of showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.

WEDNESDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Showers and thunderstorms likely until late afternoon, then a
chance of showers and thunderstorms late in the afternoon.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A chance of showers in the evening. A chance of
thunderstorms. Showers likely after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Showers and thunderstorms likely.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.

FRIDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Showers and thunderstorms likely.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms.

SATURDAY
East winds around 10 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 4 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.



GMZ370-375-290430-
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-
1036 AM CDT Tue Sep 28 2021

REST OF TODAY
South winds 10 to 15 knots becoming southeast in
the afternoon. Seas 3 feet. Thunderstorms likely in the late
morning and early afternoon. A chance of thunderstorms late in
the afternoon.

TONIGHT
South winds 15 to 20 knots. Seas 3 to 4 feet. A chance
of showers until early morning.

WEDNESDAY
South winds 10 to 15 knots becoming southeast in the
afternoon. Seas 3 to 4 feet. Showers and thunderstorms likely.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots. Seas 4 feet. A
chance of showers in the evening. A chance of thunderstorms.
Showers likely after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 4 feet. Showers
and thunderstorms likely.

THURSDAY NIGHT
Southeast winds around 15 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.

FRIDAY
Southeast winds around 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. Showers and thunderstorms likely.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet. A chance of showers and
thunderstorms.

SATURDAY
East winds 10 to 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A chance of showers and
thunderstorms.

SATURDAY NIGHT
East winds 5 to 10 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.