Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 271521
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
1021 AM CDT Tue Jun 27 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.

GMZ300-280415-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
1021 AM CDT Tue Jun 27 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
A developing coastal trough will tighten the pressure gradient
and onshore winds are expected strengthen through tonight. Tide
levels will also likely increase and some minor coastal flooding
will be possible.

$$

GMZ335-280415-
Galveston Bay-
1021 AM CDT Tue Jun 27 2017

.REST OF TODAY...East winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Bay waters smooth becoming slightly
choppy in the afternoon. Scattered showers and thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Bay waters slightly choppy.
A chance of showers and thunderstorms.
.WEDNESDAY...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 chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
A chance of showers and thunderstorms.
.THURSDAY...South 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.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
A chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.

$$

GMZ330-280415-
Matagorda Bay-
1021 AM CDT Tue Jun 27 2017

.REST OF TODAY...East winds 10 to 15 knots. Bay waters slightly
choppy. Isolated thunderstorms late in the morning. Scattered
showers. Scattered thunderstorms in the afternoon.
.TONIGHT...East 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 and thunderstorms.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy. A chance of showers and thunderstorms.
.THURSDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
A chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

$$

GMZ350-355-280415-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
1021 AM CDT Tue Jun 27 2017

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers and thunderstorms.
.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
A chance of showers and thunderstorms.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet. A chance of showers and
thunderstorms.
.FRIDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 5 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet.

$$

GMZ370-375-280415-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
1021 AM CDT Tue Jun 27 2017

...Small Craft Should Exercise Caution...

.REST OF TODAY...East winds 15 to 20 knots. Seas 3 to 5 feet.
Scattered showers and thunderstorms.
.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 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 in the morning, then a chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms in the evening, then
showers and thunderstorms likely after midnight.
.THURSDAY...South winds around 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 5 to 6 feet
with occasional seas up to 7 feet. A chance of showers and
thunderstorms.
.FRIDAY...South winds 15 to 20 knots. Seas 5 to 6 feet with
occasional seas up to 7 feet. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...South winds 15 to 20 knots. Seas 5 to 6 feet with
occasional seas up to 7 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet with occasional seas up to 6 feet.

$$



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