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National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 230413
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1213 AM EDT Wed Aug 23 2017

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

AMZ300-231915-
1213 AM EDT Wed Aug 23 2017

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the area today with a weak low
developing inland. A cold front is expected to pass over the region
on Thursday. A wave of low pressure could form along the front
offshore Friday, as high pressure builds from the north next weekend.



AMZ330-231915-
Charleston Harbor-
1213 AM EDT Wed Aug 23 2017

OVERNIGHT
SW winds 5 to 10 kt. A slight chance of showers and
tstms.

WED
SW winds 5 to 10 kt, increasing to 15 kt in the afternoon. A
chance of showers and tstms.

WED NIGHT
SW winds 10 to 15 kt. A chance of showers and tstms.

THU
SW winds 5 to 10 kt. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.

THU NIGHT
SW winds 5 to 10 kt, becoming NW after midnight. A
chance of showers and tstms.

FRI
NE winds 5 to 10 kt. A chance of showers and tstms.

FRI NIGHT
NE winds 5 to 10 kt. A chance of showers and tstms.

SAT
NE winds 10 to 15 kt. A chance of showers and tstms.

SAT NIGHT
NE winds 10 kt. A slight chance of showers and tstms.

SUN
NE winds 10 to 15 kt. A slight chance of showers and tstms.

SUN NIGHT
NE winds 10 to 15 kt. A chance of showers and tstms. 

Mariners are reminded that winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 87 degrees.



AMZ350-231915-
Waters from South Santee River to Edisto Beach SC out 20 nm-
1213 AM EDT Wed Aug 23 2017

OVERNIGHT
SW winds 10 to 15 kt. Seas 2 to 4 ft. A slight chance
of showers and tstms.

WED
SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and
tstms.

WED NIGHT
SW winds 15 kt. Seas 3 to 4 ft. A chance of showers and
tstms.

THU
SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms.

THU NIGHT
SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of showers and tstms.

FRI
NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and
tstms.

FRI NIGHT
NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

SAT
NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and
tstms.

SAT NIGHT
NE winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance
of showers and tstms.

SUN
NE winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers and
tstms.

SUN NIGHT
NE winds 15 to 20 kt. Seas 5 to 7 ft. A chance of
showers and tstms. 

Mariners are reminded that winds and seas higher in and near tstms.



AMZ352-231915-
Waters from Edisto Beach SC to Savannah GA out 20 nm-
1213 AM EDT Wed Aug 23 2017

OVERNIGHT
SW winds 10 kt. Seas 2 to 4 ft. A slight chance of
showers and tstms.

WED
SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and
tstms, mainly in the morning.

WED NIGHT
SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.

THU
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms.

THU NIGHT
S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of showers and tstms.

FRI
NE winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.

FRI NIGHT
NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

SAT
NE winds 15 kt. Seas 4 to 6 ft. A chance of showers and
tstms.

SAT NIGHT
NE winds 15 kt. Seas 4 to 6 ft. A slight chance of
showers and tstms.

SUN
NE winds 15 to 20 kt. Seas 5 to 7 ft. A chance of showers and
tstms.

SUN NIGHT
NE winds 15 kt. Seas 4 to 6 ft. A chance of showers and
tstms. 

Mariners are reminded that winds and seas higher in and near tstms.



AMZ354-231915-
Waters from Savannah GA to Altamaha Sound GA out 20 nm...including
Grays Reef National Marine Sanctuary-
1213 AM EDT Wed Aug 23 2017

OVERNIGHT
SW winds 10 kt. Seas 2 to 3 ft.

WED
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms, mainly in the morning.

WED NIGHT
S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.

THU
S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms.

THU NIGHT
SW winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.

FRI
NE winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.

FRI NIGHT
NE winds 10 kt. Seas 2 ft, building to 3 to 4 ft after
midnight. A chance of showers and tstms.

SAT
NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and
tstms.

SAT NIGHT
NE winds 15 kt. Seas 4 to 6 ft. A slight chance of
showers and tstms.

SUN
NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and
tstms.

SUN NIGHT
NE winds 15 kt. Seas 4 to 6 ft. A chance of showers and
tstms. 

Mariners are reminded that winds and seas higher in and near tstms.



AMZ374-231915-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 nm-
1213 AM EDT Wed Aug 23 2017

OVERNIGHT
S winds 10 kt. Seas 3 to 4 ft.

WED
SW winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.

WED NIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

THU
SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and
tstms.

THU NIGHT
S winds 5 to 10 kt. Seas 3 ft. A chance of showers and
tstms.

FRI
NE winds 5 to 10 kt. Seas 3 ft. A chance of showers and
tstms.

FRI NIGHT
NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

SAT
NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and
tstms.

SAT NIGHT
NE winds 15 to 20 kt. Seas 5 to 7 ft. A slight chance
of showers and tstms.

SUN
NE winds 15 to 20 kt. Seas 6 to 8 ft. A chance of showers and
tstms.

SUN NIGHT
NE winds 15 to 20 kt. Seas 7 to 9 ft. A chance of
showers and tstms. 

Mariners are reminded that winds and seas higher in and near tstms.