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National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 201504
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
Issued by National Weather Service Lake Charles LA
1004 AM CDT Thu Sep 20 2018

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.

GMZ300-210415-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
1004 AM CDT Thu Sep 20 2018

SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM

Light to moderate onshore flow will prevail for the next couple
days. Winds should diminish this weekend as the pressure gradient
relaxes. Deepening tropical moisture and a series of upper level
disturbances will bring increased chances of showers and
thunderstorms to the waters Friday into early next week.  



GMZ330-335-210415-
Matagorda Bay-Galveston Bay-
1004 AM CDT Thu Sep 20 2018

REST OF TODAY
Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers and thunderstorms.

TONIGHT
Southeast 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.

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

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

SATURDAY
South winds 5 to 10 knots. Bay waters smooth. Showers
and thunderstorms likely.

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

SUNDAY
Southeast winds around 5 knots. Bay waters smooth. A
chance of showers and thunderstorms.

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

MONDAY
South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.

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



GMZ350-355-210415-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1004 AM CDT Thu Sep 20 2018

REST OF TODAY
Southeast winds around 10 knots. Seas 1 to
2 feet. A chance of showers and thunderstorms.

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

FRIDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
A chance of showers and thunderstorms.

SATURDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. Showers
and thunderstorms likely.

SATURDAY NIGHT
South winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.

SUNDAY
South winds 5 to 10 knots becoming southeast in the
afternoon. Seas 1 to 2 feet. A chance of showers and
thunderstorms.

SUNDAY NIGHT
Southeast winds 5 to 10 knots becoming south
after midnight. Seas 1 to 2 feet. A chance of showers and
thunderstorms.

MONDAY
South winds 5 to 10 knots. Seas 1 to 2 feet. A chance
of showers and thunderstorms.

MONDAY NIGHT
South winds 10 to 15 knots. Seas 1 to 2 feet. A
chance of showers and thunderstorms.



GMZ370-375-210415-
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-
1004 AM CDT Thu Sep 20 2018

REST OF TODAY
Southeast winds 10 to 15 knots. Seas 1 to
2 feet. A chance of showers and thunderstorms.

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

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

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

SATURDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. Showers
and thunderstorms likely.

SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to
3 feet. A chance of showers and thunderstorms.

SUNDAY
South winds 5 to 10 knots becoming southeast in the
afternoon. Seas 2 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 5 to 10 knots becoming south
after midnight. Seas 2 feet. A chance of showers and
thunderstorms.

MONDAY
South winds 5 to 10 knots. Seas 1 to 2 feet. A chance
of showers and thunderstorms.

MONDAY NIGHT
South winds 10 to 15 knots. Seas 1 to 2 feet. A
chance of showers and thunderstorms.