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National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 231110
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
710 AM EDT Wed May 23 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

AMZ300-232315-
710 AM EDT Wed May 23 2018

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will remain to the east through Friday while a
trough of low pressure lingers to the west. Developing low
pressure over the Gulf of Mexico will slowly move north toward
the central Gulf Coast this weekend, possibly lingering through
early next week. This pattern will maintain higher than normal
rain chances across southeast South Carolina and southeast
Georgia.



AMZ330-232315-
Charleston Harbor-
710 AM EDT Wed May 23 2018

TODAY
SW winds 5 to 10 kt, becoming S 10 to 15 kt. A slight
chance of showers and tstms this morning, then a chance of showers
and tstms this afternoon.

TONIGHT
SW winds 5 to 10 kt. A slight chance of showers.

THU
SW winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. A chance of showers with a slight chance of tstms in
the morning, then a chance of showers and tstms in the afternoon.

THU NIGHT
E winds 5 to 10 kt. A chance of showers. A chance of
tstms, mainly in the evening.

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

FRI NIGHT
S winds 5 to 10 kt. A chance of showers. A chance of
tstms, mainly in the evening.

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

SAT NIGHT
SE winds 10 to 15 kt. A chance of showers with a
slight chance of tstms.

SUN
SE winds 10 to 15 kt. Showers likely with a chance of
tstms.

SUN NIGHT
S winds 10 to 15 kt. A chance of showers with a
slight chance of 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 78 degrees.



AMZ350-232315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
710 AM EDT Wed May 23 2018

TODAY
SW winds 10 to 15 kt. Seas 3 to 4 ft.

TONIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 ft. A slight chance of showers. A slight chance
of tstms after midnight.

THU
SW winds 5 to 10 kt, becoming SE in the afternoon. 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.

THU NIGHT
E winds 5 to 10 kt. Seas 2 ft. A chance of showers.
A chance of tstms, mainly in the evening.

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

FRI NIGHT
S winds 5 to 10 kt. Seas 3 ft. A chance of showers.
A chance of tstms, mainly in the evening.

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

SAT NIGHT
SE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers with a slight chance of tstms.

SUN
SE winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely with
a chance of tstms.

SUN NIGHT
S winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers with a slight chance of tstms. 

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



AMZ352-232315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
710 AM EDT Wed May 23 2018

TODAY
S winds 10 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms this afternoon.

TONIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers. A slight chance of tstms after midnight.

THU
S winds 5 to 10 kt, becoming SE in the afternoon. 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.

THU NIGHT
SE winds 5 to 10 kt. Seas 2 ft. A chance of showers.
A chance of tstms, mainly in the evening.

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

FRI NIGHT
SE winds 10 kt. Seas 3 ft. A chance of showers. A
chance of tstms, mainly in the evening.

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

SAT NIGHT
SE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers with a slight chance of tstms.

SUN
SE winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely with
a chance of tstms.

SUN NIGHT
S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers with a slight chance of tstms. 

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



AMZ354-232315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
710 AM EDT Wed May 23 2018

TODAY
S winds 5 to 10 kt, increasing to 10 to 15 kt this
afternoon. Seas 3 ft. A slight chance of showers and tstms this
afternoon.

TONIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. A slight chance of showers.

THU
S winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 ft. A slight chance of showers and tstms in the morning, then a
chance of showers and tstms in the afternoon.

THU NIGHT
SE winds 5 to 10 kt. Seas 2 ft. A chance of showers.
A chance of tstms, mainly in the evening.

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

FRI NIGHT
SE winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms, mainly in the evening.

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

SAT NIGHT
SE winds 15 kt. Seas 3 to 4 ft. Showers likely with
a slight chance of tstms.

SUN
SE winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely with
a chance of tstms.

SUN NIGHT
S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers with a slight chance of tstms. 

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



AMZ374-232315-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
710 AM EDT Wed May 23 2018

TODAY
S winds 10 kt. Seas 4 ft, subsiding to 3 ft this
afternoon.

TONIGHT
S winds 10 kt. Seas 3 ft. A slight chance of showers.
A slight chance of tstms after midnight.

THU
S winds 5 to 10 kt, becoming SE in the afternoon. Seas
3 ft. A slight chance of tstms. A slight chance of showers.

THU NIGHT
SE winds 10 kt. Seas 3 ft. A chance of showers with
a slight chance of tstms.

FRI
SE winds 10 kt. Seas 3 ft. A chance of showers and tstms.

FRI NIGHT
SE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers. A chance of tstms, mainly in the evening.

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

SAT NIGHT
SE winds 15 to 20 kt. Seas 4 to 5 ft. Showers likely
with a slight chance of tstms.

SUN
SE winds 15 to 20 kt. Seas 5 to 7 ft. Showers likely with
a chance of tstms.

SUN NIGHT
S winds 15 to 20 kt. Seas 5 to 7 ft. A chance of
showers with a slight chance of tstms. 

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