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National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 150437
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1237 AM EDT Sat Aug 15 2020

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

AMZ300-151715-
1237 AM EDT Sat Aug 15 2020

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A trough of low pressure will persist inland, while high pressure
remains over the Atlantic through Saturday. A weak cold front
will then pass through the area Sunday into Sunday night. A
trough will redevelop over the region during the middle of next
week.



AMZ330-151715-
Charleston Harbor-
1237 AM EDT Sat Aug 15 2020

REST OF TONIGHT
SW winds 5 to 10 kt, becoming W. A chance of
showers and tstms.

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

SAT NIGHT
SW winds 10 to 15 kt. Showers and tstms likely.

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

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

MON
N winds 5 to 10 kt, becoming E in the afternoon. A chance
of showers and tstms.

MON NIGHT
SE winds 5 to 10 kt in the evening, becoming
variable less than 5 kt. A chance of showers and tstms.

TUE
E winds 5 kt. A chance of showers and tstms.

TUE NIGHT
SE winds 5 kt. A chance of showers and tstms.

WED
SE winds 5 to 10 kt. Showers and tstms likely.

WED NIGHT
S winds 5 to 10 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.



AMZ350-151715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1237 AM EDT Sat Aug 15 2020

REST OF TONIGHT
SW winds 15 kt with gusts to 20 kt. Seas 3 to
4 ft. A chance of showers and tstms.

SAT
SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
A slight chance of showers and tstms in the morning, then a
chance of showers and tstms in the afternoon.

SAT NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Showers and tstms likely.

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

SUN NIGHT
SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.
A chance of showers and tstms.

MON
N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. A chance of showers and tstms.

MON NIGHT
SE winds 5 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

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

TUE NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers and
tstms likely.

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

WED NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and
tstms likely. 

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



AMZ352-151715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1237 AM EDT Sat Aug 15 2020

REST OF TONIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers and tstms.

SAT
SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms in the morning, then a chance of showers and
tstms in the afternoon.

SAT NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft. Showers and tstms likely.

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

SUN NIGHT
SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft. A chance of showers and tstms.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft. A chance of showers and tstms, mainly in the morning.

MON NIGHT
SE winds 5 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

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

TUE NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers and
tstms likely.

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

WED NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and
tstms likely. 

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



AMZ354-151715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1237 AM EDT Sat Aug 15 2020

REST OF TONIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft.

SAT
SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms in the morning, then a chance of showers and
tstms in the afternoon.

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

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

SUN NIGHT
SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 ft. A chance of showers and tstms.

MON
N winds 5 to 10 kt, becoming E in the afternoon. Seas
2 ft. A chance of showers and tstms, mainly in the morning.

MON NIGHT
SE winds 5 kt. Seas 2 ft. A chance of showers and
tstms.

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

TUE NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers and tstms.

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

WED NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and
tstms likely. 

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



AMZ374-151715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1237 AM EDT Sat Aug 15 2020

REST OF TONIGHT
SW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms.

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

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

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

SUN NIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft. A chance of showers and tstms.

MON
NW winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. A chance of showers and tstms, mainly in the morning.

MON NIGHT
S winds 5 kt. Seas 3 ft. A chance of showers and
tstms.

TUE
E winds 5 kt. Seas 3 ft. A chance of showers and tstms.

TUE NIGHT
SE winds 5 to 10 kt. Seas 3 to 4 ft. Showers and
tstms likely.

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

WED NIGHT
S winds 10 kt. Seas 3 to 4 ft. Showers and tstms
likely. 

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