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National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 210751
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
251 AM CDT Mon Aug 21 2017

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.

GMZ300-212015-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
251 AM CDT Mon Aug 21 2017

SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM

Expecting scattered to isolated showers and thunderstorms through
much of the week beginning early morning and lasting through the
afternoon hours. Low seas can be expected, with winds light and
out of the southeast turning more easterly closer to the end of
the week.



GMZ330-335-212015-
Matagorda Bay-Galveston Bay-
251 AM CDT Mon Aug 21 2017

TODAY
Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Bay waters smooth becoming slightly
choppy in the afternoon. A slight chance of showers and
thunderstorms early in the morning, then a chance of showers and
thunderstorms in the late morning and afternoon.

TONIGHT
Southeast winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Bay waters slightly choppy becoming
smooth after midnight.

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

TUESDAY NIGHT
Southeast winds 5 to 10 knots becoming southwest
after midnight. Bay waters smooth.

WEDNESDAY
North winds around 5 knots becoming southeast in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots becoming east
after midnight. Bay waters smooth. A slight chance of showers and
thunderstorms.

THURSDAY
Northeast winds around 5 knots becoming southeast in
the afternoon. Bay waters smooth. A chance of showers and
thunderstorms.

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

FRIDAY
East winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Bay waters smooth becoming slightly choppy in
the afternoon. A chance of showers and thunderstorms.

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



GMZ350-355-212015-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
251 AM CDT Mon Aug 21 2017

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

TONIGHT
Southeast winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Seas 2 feet. A slight chance of showers
and thunderstorms after midnight.

TUESDAY
East winds 5 to 10 knots. Seas 2 feet. A chance of
showers and thunderstorms.

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

WEDNESDAY
South winds around 5 knots becoming east in the
afternoon. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.

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

THURSDAY
Northeast winds around 5 knots becoming east in the
afternoon. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms.

THURSDAY NIGHT
East winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms.

FRIDAY
East winds 10 to 15 knots. Seas 1 to 2 feet. A chance
of showers and thunderstorms.

FRIDAY NIGHT
Southeast winds 10 to 15 knots becoming east 5 to
10 knots after midnight. Seas 2 to 3 feet. A chance of showers
and thunderstorms.



GMZ370-375-212015-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
251 AM CDT Mon Aug 21 2017

TODAY
Southeast winds 10 to 15 knots. Seas 2 feet. A slight
chance of showers and thunderstorms in the morning, then a chance
of showers and thunderstorms in the afternoon.

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.

TUESDAY
East winds 5 to 10 knots. Seas 2 feet. A chance of
showers and thunderstorms.

TUESDAY NIGHT
Southeast winds around 10 knots becoming south
after midnight. Seas 2 feet. A slight chance of showers and
thunderstorms after midnight.

WEDNESDAY
South winds around 5 knots becoming east in the
afternoon. Seas 2 feet. A slight chance of showers and
thunderstorms.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 2 feet. A
slight chance of showers and thunderstorms.

THURSDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms.

THURSDAY NIGHT
East winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.

FRIDAY
East 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.