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National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 230850
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
350 AM CDT Mon Oct 23 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.

GMZ300-232115-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
350 AM CDT Mon Oct 23 2017

SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM

Diminishing winds will occur today as high pressure moves
overhead. A cold front is expected to move off of the coast early
Tuesday morning. Strong offshore winds will develop behind the
front Tuesday morning and then persist through Tuesday night.
Winds will diminish on Wednesday and then become onshore by late
Thursday as high pressure moves east of the area. Another cold
front should arrive on Saturday.



GMZ330-335-232115-
Matagorda Bay-Galveston Bay-
350 AM CDT Mon Oct 23 2017

TODAY
North winds 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Bay waters slightly choppy becoming smooth in
the afternoon.

TONIGHT
North winds around 5 knots increasing to 15 to
20 knots after midnight. Bay waters smooth becoming choppy after
midnight.

TUESDAY
North winds 15 to 20 knots. Bay waters choppy.

TUESDAY NIGHT
North winds 15 to 20 knots. Bay waters choppy.

WEDNESDAY
North winds 10 to 15 knots becoming northwest 5 to
10 knots in the afternoon. Bay waters slightly choppy becoming
smooth in the afternoon.

WEDNESDAY NIGHT
Northwest winds 5 to 10 knots becoming
southwest after midnight. Bay waters smooth.

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.

THURSDAY NIGHT
South winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Bay waters slightly choppy becoming
choppy after midnight.

FRIDAY
West winds 10 to 15 knots becoming north in the
afternoon. Bay waters slightly choppy. A chance of showers.

FRIDAY NIGHT
North winds 15 to 20 knots. Bay waters choppy. A
slight chance of showers.



GMZ350-355-232115-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
350 AM CDT Mon Oct 23 2017

Small Craft Should Exercise Caution


TODAY
North winds 15 to 20 knots decreasing to 10 to 15 knots.
Seas 3 to 5 feet.

TONIGHT
North winds 5 to 10 knots increasing to 20 to 25 knots
after midnight. Seas 2 to 4 feet.

TUESDAY
North winds 20 to 25 knots. Seas 3 to 5 feet.

TUESDAY NIGHT
North winds 20 to 25 knots becoming 15 to
25 knots after midnight. Seas 3 to 5 feet.

WEDNESDAY
North winds 15 to 20 knots becoming northwest 10 to
15 knots in the afternoon. Seas 2 to 4 feet.

WEDNESDAY NIGHT
Northwest winds 5 to 10 knots. Seas 1 to
2 feet.

THURSDAY
South winds 10 to 15 knots. Seas 1 to 2 feet.

THURSDAY NIGHT
South winds 15 to 20 knots. Seas 3 to 5 feet.

FRIDAY
Southwest winds 10 to 15 knots becoming northwest in
the afternoon. Seas 2 to 4 feet. A chance of showers.

FRIDAY NIGHT
North winds 15 to 25 knots becoming 20 to
25 knots after midnight. Seas 3 to 5 feet. A slight chance of
showers.



GMZ370-375-232115-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
350 AM CDT Mon Oct 23 2017

Small Craft Should Exercise Caution


TODAY
North winds 15 to 20 knots decreasing to 10 to 15 knots
in the afternoon. Seas 4 to 6 feet with occasional seas up to
7 feet.

TONIGHT
North winds around 10 knots increasing to 20 to
25 knots after midnight. Seas 3 to 5 feet.

TUESDAY
North winds 20 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet.

TUESDAY NIGHT
North winds 20 to 25 knots. Seas 5 to 7 feet
with occasional seas up to 8 feet.

WEDNESDAY
North winds 15 to 20 knots decreasing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet with occasional seas
up to 7 feet subsiding to 2 to 4 feet in the afternoon.

WEDNESDAY NIGHT
Northwest winds 5 to 10 knots. Seas 2 to
3 feet.

THURSDAY
South winds 10 to 15 knots. Seas 1 to 2 feet.

THURSDAY NIGHT
South winds 15 to 20 knots. Seas 3 to 5 feet.

FRIDAY
Southwest winds around 15 knots becoming northwest in
the afternoon. Seas 3 to 5 feet. A chance of showers.

FRIDAY NIGHT
North winds 15 to 25 knots becoming 20 to
25 knots after midnight. Seas 4 to 6 feet with occasional seas up
to 7 feet. A slight chance of showers.