FZUS52 KCHS 202315
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
715 PM EDT Sun Apr 20 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
AMZ300-211200-
715 PM EDT Sun Apr 20 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will linger across the region into Tuesday. A front
will approach the region by midweek then become stationary over
or near the area through late week. Another slow moving cold
front may reach the region by the weekend.
$$
AMZ330-211200-
Charleston Harbor-
715 PM EDT Sun Apr 20 2025
.TONIGHT...S winds 10 kt, diminishing to 5 kt late this evening.
.MON...S winds 5 to 10 kt.
.MON NIGHT...S winds 5 to 10 kt.
.TUE...SW winds 5 to 10 kt.
.TUE NIGHT...S winds 5 to 10 kt.
.WED...S winds 5 kt. A slight chance of showers and tstms in the
afternoon.
.WED NIGHT...SE winds 5 kt. A slight chance of showers and tstms
in the evening.
.THU...SE winds 5 to 10 kt. A slight chance of showers and tstms.
.THU NIGHT...SE winds 5 kt.
.FRI...SE winds 5 to 10 kt.
.FRI NIGHT...S winds 5 kt.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 72 degrees.
$$
AMZ350-211200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
715 PM EDT Sun Apr 20 2025
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.WED...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
8 seconds. A slight chance of showers and tstms in the afternoon.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms in the evening.
.THU...SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
Winds and seas higher in and near tstms.
$$
AMZ352-211200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
715 PM EDT Sun Apr 20 2025
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.WED...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms in the evening.
.THU...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
Winds and seas higher in and near tstms.
$$
AMZ354-211200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
715 PM EDT Sun Apr 20 2025
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.MON NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 8 seconds and SE 1 foot at 5 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
$$
AMZ374-211200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
715 PM EDT Sun Apr 20 2025
.TONIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 8 seconds and E 1 foot at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 8 seconds and E 1 foot at 7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 8 seconds and E 1 foot at 8 seconds.
.TUE...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds and E 1 foot at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 8 seconds and E 1 foot at 8 seconds.
.WED...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds and E 1 foot at 8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 3 ft.
.THU...SE winds 5 to 10 kt. Seas 3 ft.
.THU NIGHT...SE winds 5 to 10 kt. Seas 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 3 ft.
$$
CWFCHS
Coastal Waters Forecast
National Weather Service Charleston SC
715 PM EDT Sun Apr 20 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
AMZ300-211200-
715 PM EDT Sun Apr 20 2025
.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will linger across the region into Tuesday. A front
will approach the region by midweek then become stationary over
or near the area through late week. Another slow moving cold
front may reach the region by the weekend.
$$
AMZ330-211200-
Charleston Harbor-
715 PM EDT Sun Apr 20 2025
.TONIGHT...S winds 10 kt, diminishing to 5 kt late this evening.
.MON...S winds 5 to 10 kt.
.MON NIGHT...S winds 5 to 10 kt.
.TUE...SW winds 5 to 10 kt.
.TUE NIGHT...S winds 5 to 10 kt.
.WED...S winds 5 kt. A slight chance of showers and tstms in the
afternoon.
.WED NIGHT...SE winds 5 kt. A slight chance of showers and tstms
in the evening.
.THU...SE winds 5 to 10 kt. A slight chance of showers and tstms.
.THU NIGHT...SE winds 5 kt.
.FRI...SE winds 5 to 10 kt.
.FRI NIGHT...S winds 5 kt.
Winds and waves higher in and near tstms.
Unless otherwise noted, waves 1 foot or less.
Charleston Harbor water temperature 72 degrees.
$$
AMZ350-211200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
715 PM EDT Sun Apr 20 2025
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.WED...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
8 seconds. A slight chance of showers and tstms in the afternoon.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms in the evening.
.THU...SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
Winds and seas higher in and near tstms.
$$
AMZ352-211200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
715 PM EDT Sun Apr 20 2025
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.WED...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms in the evening.
.THU...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
Winds and seas higher in and near tstms.
$$
AMZ354-211200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
715 PM EDT Sun Apr 20 2025
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.MON NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 8 seconds and SE 1 foot at 5 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
$$
AMZ374-211200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
715 PM EDT Sun Apr 20 2025
.TONIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 8 seconds and E 1 foot at 7 seconds.
.MON...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 8 seconds and E 1 foot at 7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 8 seconds and E 1 foot at 8 seconds.
.TUE...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds and E 1 foot at 8 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 8 seconds and E 1 foot at 8 seconds.
.WED...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds and E 1 foot at 8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 3 ft.
.THU...SE winds 5 to 10 kt. Seas 3 ft.
.THU NIGHT...SE winds 5 to 10 kt. Seas 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 3 ft.
$$