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National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 202134
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
334 PM CST Tue Nov 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.

GMZ300-211030-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
334 PM CST Tue Nov 20 2018

SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM

Moderate northeast winds will continue for the next couple days.
A couple of upper level disturbances will move across the area
and lead to unsettled weather Wednesday afternoon through Thursday
morning and again on Friday. A surface low pressure area
forecast to move up the coast on Friday. Winds will transition to
the south as this occurs then to the northwest as the low passes
off to the east. A strong cold front is expected Sunday afternoon.



GMZ330-335-211030-
Matagorda Bay-Galveston Bay-
334 PM CST Tue Nov 20 2018

TONIGHT
Northeast winds 10 to 15 knots. Bay waters slightly
choppy.

WEDNESDAY
Northeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers.

WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Bay waters
slightly choppy. Showers likely in the evening, then a chance of
showers after midnight.

THURSDAY
Northeast winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. Bay waters slightly choppy becoming
smooth in the afternoon. A slight chance of showers in the
morning.

THURSDAY NIGHT
East winds 5 to 10 knots. Bay waters smooth.

FRIDAY
Southeast winds 5 to 10 knots becoming west in the
afternoon. Bay waters smooth. A chance of showers. Isolated
thunderstorms in the afternoon.

FRIDAY NIGHT
Northwest winds 5 to 10 knots. Bay waters smooth.

SATURDAY
North winds around 5 knots becoming south in the
afternoon. Bay waters smooth.

SATURDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth.

SUNDAY
Winds becoming northwest 15 to 20 knots in the
afternoon. Bay waters slightly choppy becoming choppy in the
afternoon. A slight chance of showers.

SUNDAY NIGHT
North winds around 20 knots. Bay waters choppy.



GMZ350-355-211030-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
334 PM CST Tue Nov 20 2018

TONIGHT
Northeast winds around 15 knots. Seas 2 to 4 feet.

WEDNESDAY
Northeast winds 15 to 20 knots. Seas 3 to 5 feet. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.

WEDNESDAY NIGHT
Northeast winds 15 to 20 knots. Seas 3 to
5 feet. Showers likely.

THURSDAY
Northeast winds 15 to 20 knots decreasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. A slight chance of
showers.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet. A
slight chance of showers after midnight.

FRIDAY
Southeast winds 10 to 15 knots becoming west 5 to
10 knots in the afternoon. Seas 2 to 4 feet. A chance of showers.
Isolated thunderstorms in the afternoon.

FRIDAY NIGHT
Northwest winds 5 to 10 knots. Seas 2 to 3 feet.

SATURDAY
North winds 5 to 10 knots becoming south in the
afternoon. Seas 1 to 2 feet.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.

SUNDAY
Winds becoming northwest 20 to 25 knots in the
afternoon. Seas 2 to 4 feet. A slight chance of showers.

SUNDAY NIGHT
North winds 20 to 25 knots. Seas 3 to 5 feet.



GMZ370-375-211030-
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-
334 PM CST Tue Nov 20 2018

TONIGHT
Northeast winds near 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet.

WEDNESDAY
Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 7 feet. A slight chance of showers in
the morning, then a chance of showers in the afternoon.

WEDNESDAY NIGHT
Northeast winds 20 to 25 knots. Seas 4 to
6 feet with occasional seas up to 7 feet. Showers likely.

THURSDAY
Northeast winds 15 to 25 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A chance of showers.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet. A slight chance of showers.

FRIDAY
Southeast winds 10 to 15 knots becoming southwest in
the afternoon. Seas 3 to 5 feet. A chance of showers. Isolated
thunderstorms in the afternoon.

FRIDAY NIGHT
West winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. Seas 2 to 4 feet. A slight chance of
showers.

SATURDAY
Northwest winds 5 to 10 knots becoming south in the
afternoon. Seas 2 to 3 feet.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.

SUNDAY
Winds becoming northwest 20 to 25 knots in the
afternoon. Seas 3 to 5 feet building to 5 to 7 feet with
occasional seas up to 8 feet in the afternoon. A chance of
showers.

SUNDAY NIGHT
North winds 20 to 30 knots becoming 20 to
25 knots after midnight. Seas 6 to 8 feet with occasional seas up
to 10 feet.