Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 180328
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
1028 PM CDT Tue Oct 17 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.

GMZ300-181615-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
1028 PM CDT Tue Oct 17 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
Winds and seas will continue decreasing tonight as wind speed
diminish. Winds will be veering to the east by Wednesday as high
pressure moves off to the east. A long easterly fetch will set up
across the Gulf of Mexico Thursday and will continue into the
weekend resulting in elevated seas and tides.

$$

GMZ330-335-181615-
Matagorda Bay-Galveston Bay-
1028 PM CDT Tue Oct 17 2017

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...Northeast winds 5 to 10 knots becoming east in the
afternoon. Bay waters smooth.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers and thunderstorms in the
evening. A chance of showers and thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...North winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers and thunderstorms.

$$

GMZ350-355-181615-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
1028 PM CDT Tue Oct 17 2017

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. A slight
chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
.SUNDAY...Southwest winds 10 to 15 knots becoming northwest 5 to
10 knots in the afternoon. Seas 2 to 3 feet. A chance of showers
and thunderstorms.
.SUNDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms.

$$

GMZ370-375-181615-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
1028 PM CDT Tue Oct 17 2017

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. A
slight chance of showers and thunderstorms after midnight.
.THURSDAY...East winds around 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet. A slight chance of showers and
thunderstorms.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southeast winds around 15 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet. A chance of showers and
thunderstorms.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
.SUNDAY...Southwest winds 10 to 15 knots becoming northwest in
the afternoon. Seas 2 to 3 feet. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet. A
slight chance of showers and thunderstorms.

$$



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