National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 291907
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
307 PM EDT Wed Mar 29 2023

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

AMZ300-300815-
307 PM EDT Wed Mar 29 2023

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will reside over the area through Friday. A cold
front will cross through the area Saturday, followed by returning
high pressure into early next week.


AMZ330-300815-
Charleston Harbor-
307 PM EDT Wed Mar 29 2023

TONIGHT
E winds 10 kt this evening, becoming NE 5 to 10 kt.

THU
NE winds 5 to 10 kt, becoming E in the afternoon.

THU NIGHT
E winds 10 kt.

FRI
SE winds 10 kt, becoming S with gusts to 20 kt in the
afternoon.

FRI NIGHT
S winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.

SAT
SW winds 20 kt with gusts to 30 kt. Waves 1 to 2 ft. A
chance of showers with a slight chance of tstms in the morning,
then showers likely with a chance of tstms in the afternoon.

SAT NIGHT
SW winds 15 to 20 kt with gusts to 30 kt, becoming W
with gusts to 20 kt after midnight. Waves 1 to 2 ft. Showers
likely with a chance of tstms in the evening.

SUN
NE winds 10 to 15 kt.

SUN NIGHT
SE winds 10 kt.

MON
SE winds 10 kt.

MON NIGHT
S winds 10 kt. A slight chance of showers.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 64 degrees.


AMZ350-300815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
307 PM EDT Wed Mar 29 2023

TONIGHT
NE winds 10 to 15 kt early this evening, diminishing to
5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight.

THU
NE winds 5 to 10 kt. Seas 2 to 3 ft.

THU NIGHT
E winds 10 kt. Seas 2 to 3 ft.

FRI
SE winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to
4 ft in the afternoon.

FRI NIGHT
S winds 15 to 20 kt with gusts to 30 kt. Seas 4 to
5 ft, building to 4 to 6 ft after midnight.

SAT
SW winds 25 to 30 kt. Seas 5 to 7 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 20 to 25 kt with gusts to 35 kt, becoming W
15 kt with gusts to 25 kt after midnight. Seas 5 to 7 ft,
subsiding to 4 to 5 ft after midnight. A chance of showers and
tstms in the evening.

SUN
NE winds 10 to 15 kt. Seas 3 to 4 ft.

SUN NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft.

MON
SE winds 10 kt. Seas 2 ft.

MON NIGHT
S winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers. 

Winds and seas higher in and near tstms.


AMZ352-300815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
307 PM EDT Wed Mar 29 2023

TONIGHT
NE winds 5 to 10 kt. Seas 2 to 3 ft.

THU
NE winds 5 to 10 kt. Seas 2 to 3 ft.

THU NIGHT
E winds 10 kt. Seas 2 to 3 ft.

FRI
SE winds 10 to 15 kt. Seas 2 to 3 ft.

FRI NIGHT
S winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft, building to 4 to 6 ft after midnight.

SAT
SW winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 6 ft,
subsiding to 4 to 6 ft in the afternoon. A slight chance of
showers and tstms in the morning, then showers likely with a
chance of tstms in the afternoon.

SAT NIGHT
W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. Showers likely with
a chance of tstms in the evening.

SUN
NE winds 10 to 15 kt. Seas 2 to 3 ft.

SUN NIGHT
SE winds 5 to 10 kt. Seas 2 ft.

MON
SE winds 5 to 10 kt. Seas 2 ft.

MON NIGHT
S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers. 

Winds and seas higher in and near tstms.


AMZ354-300815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
307 PM EDT Wed Mar 29 2023

TONIGHT
NE winds 10 to 15 kt early this evening, diminishing
to 5 to 10 kt. Seas 3 to 4 ft early, subsiding to 2 to 3 ft.

THU
NE winds 10 to 15 kt. Seas 2 to 3 ft.

THU NIGHT
E winds 10 kt. Seas 2 to 3 ft.

FRI
SE winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to
4 ft in the afternoon.

FRI NIGHT
S winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight.

SAT
SW winds 15 to 20 kt with gusts to 30 kt. Seas 4 to 5 ft.
A slight chance of showers and tstms in the morning, then a
chance of showers and tstms in the afternoon.

SAT NIGHT
W winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft, subsiding to 2 to 3 ft after midnight. A chance of showers
and tstms in the evening.

SUN
N winds 10 to 15 kt. Seas 2 to 3 ft.

SUN NIGHT
SE winds 5 to 10 kt. Seas 2 ft.

MON
SE winds 5 to 10 kt. Seas 2 ft.

MON NIGHT
SE winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers. 

Winds and seas higher in and near tstms.


AMZ374-300815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
307 PM EDT Wed Mar 29 2023

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING


TONIGHT
NE winds 10 to 15 kt. Seas 4 to 6 ft, subsiding to 3 to
5 ft.

THU
NE winds 10 to 15 kt. Seas 4 to 5 ft.

THU NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft.

FRI
SE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft,
building to 4 to 5 ft in the afternoon.

FRI NIGHT
S winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft, building to 5 to 6 ft after midnight.

SAT
SW winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 6 ft.
A slight chance of showers and tstms in the morning, then a
chance of showers and tstms in the afternoon.

SAT NIGHT
W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. A chance of showers
and tstms, mainly in the evening.

SUN
N winds 10 to 15 kt. Seas 3 to 4 ft.

SUN NIGHT
E winds 5 to 10 kt. Seas 2 to 3 ft.

MON
SE winds 5 to 10 kt. Seas 2 to 3 ft.

MON NIGHT
SE winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers. 

Winds and seas higher in and near tstms.