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National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 161204
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
704 AM EST Tue Jan 16 2018

South Santee River SC to Savannah GA out 20 NM and Savannah GA
to Altamaha Sound GA out 60 NM, including Charleston Harbor and
Grays Reef National Marine Sanctuary

AMZ300-170015-
704 AM EST Tue Jan 16 2018

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will linger over the region today. A cold front
will sweep across the area Wednesday morning, followed by dry
high pressure into late week. Warmer conditions arrive this
weekend before another cold front pushes through Monday. Dry high
pressure will then return on Tuesday.



AMZ330-170015-
Charleston Harbor-
704 AM EST Tue Jan 16 2018

TODAY
N winds less than 10 kt, becoming variable.

TONIGHT
NE winds 5 kt, becoming NW after midnight.

WED
W winds 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. A slight chance of rain.

WED NIGHT
N winds 10 to 15 kt.

THU
NW winds 5 to 10 kt.

THU NIGHT
W winds 5 kt.

FRI
SW winds 5 to 10 kt.

FRI NIGHT
W winds 5 kt.

SAT
SW winds 5 kt.

SAT NIGHT
SW winds 5 kt. 

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 45 degrees.



AMZ350-170015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
704 AM EST Tue Jan 16 2018

TODAY
NE winds 5 to 10 kt. Seas 3 to 4 ft.

TONIGHT
NW winds 5 kt. Seas 3 to 4 ft.

WED
NW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
to 25 kt in the afternoon. Seas 3 to 4 ft. A slight chance of
rain in the afternoon.

WED NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight.

THU
N winds 15 to 20 kt, becoming NW 5 to 10 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon.

THU NIGHT
W winds 5 to 10 kt. Seas 2 ft.

FRI
W winds 10 kt. Seas 2 ft.

FRI NIGHT
W winds 5 to 10 kt. Seas 2 ft.

SAT
W winds 5 to 10 kt. Seas 1 foot.

SAT NIGHT
SW winds 5 to 10 kt. Seas 1 foot. 



AMZ352-170015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
704 AM EST Tue Jan 16 2018

TODAY
NE winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft this afternoon.

TONIGHT
NE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft.

WED
W winds 10 to 15 kt, becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Seas 3 to 4 ft.

WED NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft.

THU
N winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 to
10 kt in the afternoon. Seas 2 to 3 ft.

THU NIGHT
W winds 5 to 10 kt. Seas 2 ft.

FRI
W winds 5 to 10 kt. Seas 2 ft.

FRI NIGHT
W winds 5 to 10 kt. Seas 2 ft.

SAT
SW winds 5 to 10 kt. Seas 1 foot.

SAT NIGHT
SW winds 5 kt. Seas 1 foot. 



AMZ354-170015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
704 AM EST Tue Jan 16 2018

TODAY
NE winds 10 kt, decreasing to 5 to 10 kt. Seas 3 to 4 ft,
subsiding to 2 to 3 ft this afternoon.

TONIGHT
NE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft.

WED
NW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
to 25 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft
in the afternoon.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft.

THU
N winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 to
10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in
the afternoon.

THU NIGHT
W winds 5 to 10 kt. Seas 2 ft.

FRI
W winds 5 to 10 kt. Seas 2 ft.

FRI NIGHT
W winds 5 to 10 kt. Seas 1 foot.

SAT
SW winds 5 kt. Seas 1 foot.

SAT NIGHT
SE winds 5 kt. Seas 1 foot. 



AMZ374-170015-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
704 AM EST Tue Jan 16 2018

TODAY
NE winds 10 to 15 kt, decreasing to 5 to 10 kt. Seas 4
to 5 ft.

TONIGHT
N winds 5 to 10 kt. Seas 4 to 5 ft.

WED
NW winds 10 to 15 kt, increasing to 20 to 25 kt in the
afternoon. Seas 4 to 5 ft, building to 4 to 6 ft in the
afternoon.

WED NIGHT
N winds 20 to 25 kt. Seas 5 to 7 ft, subsiding to
4 to 6 ft after midnight.

THU
N winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 4 to 6 ft, subsiding to 3 to
4 ft in the afternoon.

THU NIGHT
W winds 5 to 10 kt. Seas 3 to 4 ft.

FRI
W winds 5 to 10 kt. Seas 2 to 3 ft.

FRI NIGHT
W winds 5 to 10 kt. Seas 2 ft.

SAT
W winds 5 kt. Seas 2 ft.

SAT NIGHT
S winds 5 kt. Seas 2 ft.