FZUS52 KCHS 281412
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1012 AM EDT Wed May 28 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
AMZ300-290315-
1012 AM EDT Wed May 28 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 build in over the weekend into early next week.
$$
AMZ330-290315-
Charleston Harbor-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt. A slight chance of showers
and tstms late.
.TONIGHT...SW winds 5 to 10 kt. A chance of showers and tstms,
mainly in the evening.
.THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts to
20 kt in the afternoon. A slight chance of showers and tstms in
the morning, then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft. Showers likely with a chance of tstms
in the morning, then showers with tstms likely in the afternoon.
.FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Waves 1 to 2 ft. Showers with tstms likely in the
evening, then showers likely with a chance of tstms after
midnight.
.SAT...W winds 10 to 15 kt.
.SAT NIGHT...W winds 10 to 15 kt.
.SUN...W winds 10 to 15 kt.
.SUN NIGHT...SW winds 5 to 10 kt.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 77 degrees.
$$
AMZ350-290315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A slight 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 slight chance of showers and tstms in the
morning, then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 8 seconds and S 2 ft at 5 seconds. A chance of tstms.
A chance of showers in the evening, then showers likely after
midnight.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E
2 ft at 8 seconds. A chance of tstms. Showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 6 seconds and E 2 ft at 8 seconds.
A chance of tstms. Showers.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.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...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ352-290315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...W winds 5 to 10 kt, becoming S late. Seas 2 to 3
ft. Wave Detail: E 3 ft at 8 seconds. A slight chance of showers
and tstms late.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A chance of showers and tstms, mainly in the
evening.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds. A slight chance of showers and tstms in the
morning, then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. Showers likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E
2 ft at 8 seconds. A chance of tstms. Showers.
.FRI NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of tstms.
Showers.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ354-290315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt, becoming S late. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A slight chance of showers and tstms.
.THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds. A slight chance of
showers and 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. Wave Detail: SE 3 ft
at 8 seconds and S 2 ft at 4 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 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft
at 8 seconds. Showers likely with a chance of tstms in the
morning, then showers with tstms likely in the afternoon.
.FRI NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 4 seconds and E 2 ft at 8 seconds. Showers with tstms
likely in the evening, then showers likely with a chance of tstms
after midnight.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.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.
$$
AMZ374-290315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds.
.TONIGHT...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
8 seconds. A slight chance of showers and tstms.
.THU...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
8 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail:
SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Showers likely with
a chance of tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E
2 ft at 8 seconds. A chance of tstms. Showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 8 seconds.
A chance of tstms. Showers, mainly in the evening.
.SAT...NW winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
1012 AM EDT Wed May 28 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
AMZ300-290315-
1012 AM EDT Wed May 28 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 build in over the weekend into early next week.
$$
AMZ330-290315-
Charleston Harbor-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt. A slight chance of showers
and tstms late.
.TONIGHT...SW winds 5 to 10 kt. A chance of showers and tstms,
mainly in the evening.
.THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts to
20 kt in the afternoon. A slight chance of showers and tstms in
the morning, then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft. Showers likely with a chance of tstms
in the morning, then showers with tstms likely in the afternoon.
.FRI NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Waves 1 to 2 ft. Showers with tstms likely in the
evening, then showers likely with a chance of tstms after
midnight.
.SAT...W winds 10 to 15 kt.
.SAT NIGHT...W winds 10 to 15 kt.
.SUN...W winds 10 to 15 kt.
.SUN NIGHT...SW winds 5 to 10 kt.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 77 degrees.
$$
AMZ350-290315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A slight 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 slight chance of showers and tstms in the
morning, then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 8 seconds and S 2 ft at 5 seconds. A chance of tstms.
A chance of showers in the evening, then showers likely after
midnight.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E
2 ft at 8 seconds. A chance of tstms. Showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 6 seconds and E 2 ft at 8 seconds.
A chance of tstms. Showers.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.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...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ352-290315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...W winds 5 to 10 kt, becoming S late. Seas 2 to 3
ft. Wave Detail: E 3 ft at 8 seconds. A slight chance of showers
and tstms late.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A chance of showers and tstms, mainly in the
evening.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds. A slight chance of showers and tstms in the
morning, then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. Showers likely with a chance of tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E
2 ft at 8 seconds. A chance of tstms. Showers.
.FRI NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of tstms.
Showers.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$
AMZ354-290315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt, becoming S late. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. A slight chance of showers and tstms.
.THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds. A slight chance of
showers and 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. Wave Detail: SE 3 ft
at 8 seconds and S 2 ft at 4 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 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft
at 8 seconds. Showers likely with a chance of tstms in the
morning, then showers with tstms likely in the afternoon.
.FRI NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 4 seconds and E 2 ft at 8 seconds. Showers with tstms
likely in the evening, then showers likely with a chance of tstms
after midnight.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.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.
$$
AMZ374-290315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1012 AM EDT Wed May 28 2025
.REST OF TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds.
.TONIGHT...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
8 seconds. A slight chance of showers and tstms.
.THU...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
8 seconds. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail:
SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Showers likely with
a chance of tstms.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E
2 ft at 8 seconds. A chance of tstms. Showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 8 seconds.
A chance of tstms. Showers, mainly in the evening.
.SAT...NW winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...W winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft.
Winds and seas higher in and near tstms.
$$