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National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 241110
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
710 AM EDT Thu Jun 24 2021

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

AMZ300-250015-
710 AM EDT Thu Jun 24 2021

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will remain over the area through tonight. A
coastal trough will then move over the area Friday through
Saturday. High pressure will rebuild Sunday through the middle of
next week.



AMZ330-250015-
Charleston Harbor-
710 AM EDT Thu Jun 24 2021

TODAY
NE winds 10 to 15 kt with gusts to 20 kt.

TONIGHT
NE winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. A slight chance of showers in the evening, then a
chance of showers with a slight chance of tstms after midnight.

FRI
SE winds 10 to 15 kt. A chance of showers and tstms.

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

SAT
E winds 10 to 15 kt with gusts to 20 kt. A chance of
showers and tstms.

SAT NIGHT
E winds 10 to 15 kt. A slight chance of showers and
tstms in the evening.

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

SUN NIGHT
E winds 10 to 15 kt.

MON
E winds 10 to 15 kt. A slight chance of showers and tstms.

MON NIGHT
E winds 10 to 15 kt. 

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

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 81 degrees.



AMZ350-250015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
710 AM EDT Thu Jun 24 2021

TODAY
NE winds 15 to 20 kt. Seas 4 to 5 ft.

TONIGHT
E winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft after midnight. A chance of showers with a slight chance of
tstms.

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

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

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

SAT NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance
of showers and tstms in the evening.

SUN
E winds 10 kt. Seas 3 to 4 ft.

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

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

MON NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance
of showers and tstms. 

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



AMZ352-250015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
710 AM EDT Thu Jun 24 2021

TODAY
NE winds 15 to 20 kt. Seas 4 to 5 ft. A slight chance of
showers and tstms this afternoon.

TONIGHT
NE winds 15 to 20 kt, becoming E 10 to 15 kt after
midnight. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight.
A slight chance of tstms. A slight chance of showers in the
evening, then a chance of showers after midnight.

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

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

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

SAT NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance
of showers and tstms in the evening.

SUN
E winds 10 kt. Seas 3 to 4 ft.

SUN NIGHT
E winds 10 kt. Seas 3 to 4 ft.

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

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

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



AMZ354-250015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
710 AM EDT Thu Jun 24 2021

TODAY
NE winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
5 ft this afternoon. A slight chance of showers this morning,
then a chance of showers with a slight chance of tstms this
afternoon.

TONIGHT
NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. A slight chance of tstms. A slight
chance of showers in the evening, then a chance of showers after
midnight.

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

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

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

SAT NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance
of showers and tstms in the evening.

SUN
E winds 10 kt. Seas 3 to 4 ft.

SUN NIGHT
E winds 10 to 15 kt. Seas 3 ft.

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

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

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



AMZ374-250015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
710 AM EDT Thu Jun 24 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING


TODAY
NE winds 15 to 20 kt. Seas 4 to 6 ft, building to 5 to 7 ft
this afternoon. A slight chance of showers this morning, then a
chance of showers with a slight chance of tstms this afternoon.

TONIGHT
E winds 10 to 15 kt. Seas 5 to 6 ft, subsiding to 4 to
5 ft after midnight. A chance of showers with a slight chance of
tstms.

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

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

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

SAT NIGHT
E winds 10 to 15 kt. Seas 4 to 5 ft.

SUN
E winds 10 to 15 kt. Seas 4 to 5 ft.

SUN NIGHT
E winds 10 to 15 kt. Seas 4 to 5 ft.

MON
E winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of
showers and tstms.

MON NIGHT
E winds 10 to 15 kt. Seas 4 to 5 ft. 

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