Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 201506
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
1006 AM CDT Wed Jun 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.

GMZ300-210415-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
1006 AM CDT Wed Jun 20 2018

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
Moderate onshore winds and elevated seas will persist today.
Periods of showers and thunderstorms will also continue, with
heavy rainfall and gusty winds possible in the stronger storms.

$$

GMZ335-210415-
Galveston Bay-
1006 AM CDT Wed Jun 20 2018

.TODAY...Southeast winds near 15 knots. Bay waters choppy.
Winds higher and waters rough in and near scattered showers and
thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Showers likely and isolated thunderstorms.
.THURSDAY...South winds 5 to 10 knots. Bay waters smooth. Showers
likely in the morning. Isolated thunderstorms. A chance of
showers in the afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and isolated thunderstorms after
midnight.
.FRIDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. Bay waters smooth becoming slightly
choppy in the afternoon. A slight chance of showers and
thunderstorms in the afternoon.
.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...South winds 15 to 20 knots. Bay waters choppy.
.SUNDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
A slight chance of showers and thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.

$$

GMZ350-355-210415-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1006 AM CDT Wed Jun 20 2018

...Small Craft Should Exercise Caution...

.TODAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. Winds and seas higher in and near
scattered to numerous showers and thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Showers likely and isolated thunderstorms.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and isolated thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and isolated thunderstorms after
midnight.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds around 15 knots. Seas 3 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Seas 3 to 5 feet.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 7 feet.
.SUNDAY...South winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet.

$$

GMZ370-375-210415-
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-
1006 AM CDT Wed Jun 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.TODAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet. Winds and seas higher in and near
scattered to numerous showers and thunderstorms.
.TONIGHT...Southeast winds around 15 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. A chance of showers and isolated
thunderstorms.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and isolated thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY...South winds 10 to 15 knots. Seas 3 feet. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Seas 3 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 7 feet.
.SUNDAY...South winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 6 feet
with occasional seas up to 7 feet.

$$

GMZ330-210415-
Matagorda Bay-
1006 AM CDT Wed Jun 20 2018

.TODAY...Southeast winds near 15 knots. Bay waters choppy. Winds
higher and waters rough in and near numerous showers and
thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers likely and isolated thunderstorms.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Showers likely in the morning. Isolated thunderstorms. A chance
of showers in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots becoming south
after midnight. Bay waters smooth. A slight chance of showers and
isolated thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. A slight
chance of showers and thunderstorms in the afternoon.
.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...South winds around 15 knots. Bay waters
slightly choppy to choppy.
.SUNDAY...South winds around 15 knots. Bay waters slightly choppy
to choppy. A slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

$$



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