Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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651
FZUS54 KHGX 281531
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
1031 AM CDT Wed Jun 28 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.

GMZ300-290430-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
1031 AM CDT Wed Jun 28 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
A coastal trough OF LOW PRESSURE WILL MAINTAIN MODERATE onshore
winds through FRIDAY. Tide levels will also likely increase and
some minor coastal flooding will be possible. SEAS WILL BUILD THIS
AFTERNOON THROUGH THURSDAY.

$$

GMZ335-290430-
Galveston Bay-
1031 AM CDT Wed Jun 28 2017

.REST OF TODAY...East winds 10 to 15 knots. Bay waters slightly
choppy. Isolated thunderstorms late in the morning. Showers
likely. Thunderstorms likely in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots becoming south after
midnight. Bay waters slightly choppy. Isolated thunderstorms in
the evening. A chance of showers. A chance of thunderstorms after
midnight.
.THURSDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. Showers and thunderstorms likely.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and isolated 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...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

$$

GMZ355-290430-
Coastal waters from High Island to Freeport out 20 NM-
1031 AM CDT Wed Jun 28 2017

...Small Craft Should Exercise Caution...

.REST OF TODAY...Southeast winds 15 to 20 knots. Seas 2 to
4 feet. Showers likely and isolated thunderstorms late in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. A chance
of showers and isolated thunderstorms in the evening, then
showers and thunderstorms likely after midnight.
.THURSDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. Showers
and thunderstorms likely.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. A
chance of showers and isolated thunderstorms.
.FRIDAY...South winds around 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 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 2 to 4 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

$$

GMZ375-290430-
Waters from High Island to Freeport from 20 to 60 NM-
1031 AM CDT Wed Jun 28 2017

...Small Craft Should Exercise Caution...

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

$$

GMZ330-290430-
Matagorda Bay-
1031 AM CDT Wed Jun 28 2017

.REST OF TODAY...East winds around 10 knots. Bay waters smooth to
slightly choppy. Isolated thunderstorms late in the morning. A
chance of showers. A chance of thunderstorms in the afternoon.
.TONIGHT...Southeast winds around 10 knots becoming south after
midnight. Bay waters smooth to slightly choppy. Isolated
thunderstorms in the evening. A chance of showers. A chance of
thunderstorms after midnight.
.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 in the evening. Isolated
thunderstorms. A slight chance of showers after midnight.
.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.
.SUNDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

$$

GMZ350-290430-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-
1031 AM CDT Wed Jun 28 2017

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
Showers likely and isolated thunderstorms late in the morning,
then a chance of showers and thunderstorms in the afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Isolated
thunderstorms in the evening. A chance of showers. A chance of
thunderstorms after midnight.
.THURSDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. Showers
and thunderstorms likely.
.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
isolated thunderstorms.
.FRIDAY...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 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 2 to
4 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.

$$

GMZ370-290430-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-
1031 AM CDT Wed Jun 28 2017

.REST OF TODAY...Southeast winds 5 to 10 knots increasing to
10 to 15 knots in the afternoon. Seas 3 to 4 feet. Showers likely
and isolated thunderstorms late in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. A chance
of showers and isolated 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. Showers and thunderstorms likely.
.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
isolated 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 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 feet.

$$



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