FZUS52 KCHS 272159
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
559 PM EDT Tue May 27 2025
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
AMZ300-281015-
559 PM EDT Tue May 27 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A series of disturbances will affect the area through Thursday,
then a cold front will sweep through late Friday. High pressure
will then build in from the west.
$$
AMZ330-281015-
Charleston Harbor-
559 PM EDT Tue May 27 2025
.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. A
chance of showers and tstms.
.WED...SW winds 5 to 10 kt. A chance of showers and tstms.
.WED NIGHT...SW winds 5 to 10 kt. A chance of showers. A chance
of tstms, mainly in the evening.
.THU...SW winds 5 to 10 kt. A chance of tstms. A chance of
showers in the morning, then showers likely in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt. Showers likely with a chance of
tstms.
.FRI...SW winds 10 kt, increasing to 15 kt with gusts to 20 kt in
the afternoon. A chance of tstms. A chance of showers in the
morning, then showers likely in the afternoon.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. A chance of
tstms. Showers likely, mainly in the evening.
.SAT...W winds 10 kt.
.SAT NIGHT...W winds 5 to 10 kt.
.SUN...SW winds 5 to 10 kt.
.SUN NIGHT...SW winds 5 to 10 kt.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 78 degrees.
$$
AMZ350-281015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 4 ft. Wave Detail: E 4 ft at 8 seconds. A chance of showers
and tstms.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: E 4 ft at 8 seconds, becoming
E 3 ft at 7 seconds. A chance of showers and tstms.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and S 1 foot at 5 seconds. A chance of showers
with a slight chance of tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of tstms. A chance of showers in the
morning, then showers likely in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds,
becoming SE 3 ft at 8 seconds and S 2 ft at 5 seconds. Showers
likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds.
Showers likely with a chance of tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Showers likely with a chance of tstms.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ352-281015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and E 2 ft at
5 seconds. A slight chance of showers and tstms early this
evening, then a chance of showers and tstms late this evening.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds and S 1 foot at 5 seconds. A chance of showers. A
chance of tstms, mainly in the morning.
.WED NIGHT...SW winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and S 1 foot at 5 seconds. A chance of showers and
tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers with a slight chance of tstms
in the morning, then showers likely with a chance of tstms in the
afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds.
Showers likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A
chance of tstms. Showers.
.FRI NIGHT...W winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft,
subsiding to 3 to 4 ft after midnight. A chance of tstms.
Showers.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ354-281015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 6 seconds. A slight chance of
showers and tstms early this evening, then a chance of showers
and tstms late this evening.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 1 foot at
5 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds and E 2 ft at 7 seconds. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 7 seconds and SE 2 ft at 8 seconds. A chance of showers with a
slight chance of tstms in the morning, then showers likely with a
chance of tstms in the afternoon.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft, building to 3 to
4 ft after midnight. Wave Detail: S 2 ft at 5 seconds and E 2 ft
at 8 seconds, becoming S 2 ft at 4 seconds and E 2 ft at
8 seconds. Showers likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and E 2 ft at 8 seconds. A chance of tstms. A chance
of showers in the morning, then showers in the afternoon.
.FRI NIGHT...W winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. A
chance of tstms. Showers.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 kt. Seas 1 foot or less.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ374-281015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: NE 4 ft at 8 seconds and SE 2 ft at
8 seconds. A slight chance of showers and tstms early this
evening, then a chance of showers and tstms late this evening.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft
at 8 seconds and S 2 ft at 5 seconds. A chance of showers and
tstms, mainly in the morning.
.WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 7 seconds and SE 2 ft at 8 seconds. A chance of showers
with a slight chance of tstms.
.THU...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
7 seconds and SE 2 ft at 8 seconds. A chance of showers with a
slight chance of tstms in the morning, then showers likely with a
chance of tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 4 seconds and SE 2 ft at 8 seconds. Showers likely with a
chance of tstms.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
Wave Detail: S 3 ft at 5 seconds and E 3 ft at 8 seconds. Showers
likely with a slight chance of tstms in the morning, then showers
with a chance of tstms in the afternoon.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. A chance of tstms. Showers, mainly in the evening.
.SAT...W winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
Winds and seas higher in and near tstms.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
559 PM EDT Tue May 27 2025
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
AMZ300-281015-
559 PM EDT Tue May 27 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A series of disturbances will affect the area through Thursday,
then a cold front will sweep through late Friday. High pressure
will then build in from the west.
$$
AMZ330-281015-
Charleston Harbor-
559 PM EDT Tue May 27 2025
.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. A
chance of showers and tstms.
.WED...SW winds 5 to 10 kt. A chance of showers and tstms.
.WED NIGHT...SW winds 5 to 10 kt. A chance of showers. A chance
of tstms, mainly in the evening.
.THU...SW winds 5 to 10 kt. A chance of tstms. A chance of
showers in the morning, then showers likely in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt. Showers likely with a chance of
tstms.
.FRI...SW winds 10 kt, increasing to 15 kt with gusts to 20 kt in
the afternoon. A chance of tstms. A chance of showers in the
morning, then showers likely in the afternoon.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. A chance of
tstms. Showers likely, mainly in the evening.
.SAT...W winds 10 kt.
.SAT NIGHT...W winds 5 to 10 kt.
.SUN...SW winds 5 to 10 kt.
.SUN NIGHT...SW winds 5 to 10 kt.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 78 degrees.
$$
AMZ350-281015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 4 ft. Wave Detail: E 4 ft at 8 seconds. A chance of showers
and tstms.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: E 4 ft at 8 seconds, becoming
E 3 ft at 7 seconds. A chance of showers and tstms.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and S 1 foot at 5 seconds. A chance of showers
with a slight chance of tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of tstms. A chance of showers in the
morning, then showers likely in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds,
becoming SE 3 ft at 8 seconds and S 2 ft at 5 seconds. Showers
likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds.
Showers likely with a chance of tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Showers likely with a chance of tstms.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ352-281015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and E 2 ft at
5 seconds. A slight chance of showers and tstms early this
evening, then a chance of showers and tstms late this evening.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds and S 1 foot at 5 seconds. A chance of showers. A
chance of tstms, mainly in the morning.
.WED NIGHT...SW winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and S 1 foot at 5 seconds. A chance of showers and
tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers with a slight chance of tstms
in the morning, then showers likely with a chance of tstms in the
afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds.
Showers likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A
chance of tstms. Showers.
.FRI NIGHT...W winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft,
subsiding to 3 to 4 ft after midnight. A chance of tstms.
Showers.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ354-281015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 6 seconds. A slight chance of
showers and tstms early this evening, then a chance of showers
and tstms late this evening.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 1 foot at
5 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds and E 2 ft at 7 seconds. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 7 seconds and SE 2 ft at 8 seconds. A chance of showers with a
slight chance of tstms in the morning, then showers likely with a
chance of tstms in the afternoon.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft, building to 3 to
4 ft after midnight. Wave Detail: S 2 ft at 5 seconds and E 2 ft
at 8 seconds, becoming S 2 ft at 4 seconds and E 2 ft at
8 seconds. Showers likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and E 2 ft at 8 seconds. A chance of tstms. A chance
of showers in the morning, then showers in the afternoon.
.FRI NIGHT...W winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. A
chance of tstms. Showers.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 kt. Seas 1 foot or less.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ374-281015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
559 PM EDT Tue May 27 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: NE 4 ft at 8 seconds and SE 2 ft at
8 seconds. A slight chance of showers and tstms early this
evening, then a chance of showers and tstms late this evening.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft
at 8 seconds and S 2 ft at 5 seconds. A chance of showers and
tstms, mainly in the morning.
.WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 7 seconds and SE 2 ft at 8 seconds. A chance of showers
with a slight chance of tstms.
.THU...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
7 seconds and SE 2 ft at 8 seconds. A chance of showers with a
slight chance of tstms in the morning, then showers likely with a
chance of tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 4 seconds and SE 2 ft at 8 seconds. Showers likely with a
chance of tstms.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
Wave Detail: S 3 ft at 5 seconds and E 3 ft at 8 seconds. Showers
likely with a slight chance of tstms in the morning, then showers
with a chance of tstms in the afternoon.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. A chance of tstms. Showers, mainly in the evening.
.SAT...W winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
Winds and seas higher in and near tstms.
$$