Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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174
FZUS54 KHGX 250853
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
353 AM CDT Sun Jun 25 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.

GMZ300-252115-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
353 AM CDT Sun Jun 25 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
Some scattered showers and thunderstorms are possible across the
waters through the next several days. Onshore winds will ramp up
around mid week as we become sandwiched between surface high
pressure over the eastern US and a developing surface cyclone
over the lee of the Rockies.

$$

GMZ330-335-252115-
Matagorda Bay-Galveston Bay-
353 AM CDT Sun Jun 25 2017

.TODAY...East winds 5 to 10 knots. Bay waters smooth. Scattered
showers and thunderstorms. Some thunderstorms may produce heavy
rainfall.
.TONIGHT...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.MONDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.MONDAY NIGHT...East 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.
.TUESDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...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.
.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 10 to 15 knots. Bay waters
slightly choppy. A slight chance of showers and thunderstorms in
the evening, then a chance of showers and thunderstorms after
midnight.
.THURSDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 15 to 20 knots. Bay waters choppy.
A slight chance of showers and thunderstorms in the evening, then
a chance of showers and thunderstorms after midnight.

$$

GMZ350-355-252115-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
353 AM CDT Sun Jun 25 2017

.TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of
thunderstorms in the morning. A chance of showers. A chance of
thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall in the morning.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.MONDAY...East winds around 10 knots. Seas 2 feet. A chance of
showers and thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 feet. A slight
chance of showers and thunderstorms in the evening, then a chance
of showers and thunderstorms after midnight.
.TUESDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Seas 2 to 3 feet. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds around 15 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms.
.THURSDAY...South winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 7 feet. A chance of showers and
thunderstorms.

$$

GMZ370-375-252115-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
353 AM CDT Sun Jun 25 2017

.TODAY...East winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon. Seas 3 feet. A chance of showers and
thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.MONDAY...East winds around 10 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.MONDAY NIGHT...East winds around 10 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.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms.
.THURSDAY...South winds 15 to 20 knots. Seas 4 feet. A chance of
showers and thunderstorms.
.THURSDAY NIGHT...South winds around 20 knots. Seas 5 to 6 feet
with occasional seas up to 7 feet. A chance of showers and
thunderstorms.

$$



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