500
FZUS52 KCHS 260527
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
127 AM EDT Sat Jul 26 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

AMZ300-261815-
127 AM EDT Sat Jul 26 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Atlantic high pressure will prevail through early next week,
while a trough of low pressure resides inland.

$$

AMZ330-261815-
Charleston Harbor-
127 AM EDT Sat Jul 26 2025

.TODAY...W winds 5 to 10 kt, becoming S late.
.TONIGHT...SW winds 5 to 10 kt.
.SUN...W winds 5 kt, becoming SW in the afternoon.
.SUN NIGHT...SW winds 5 to 10 kt.
.MON...SW winds 5 to 10 kt. A slight chance of showers and tstms
in the afternoon.
.MON NIGHT...SW winds 5 to 10 kt. A chance of showers and tstms.
.TUE...SW winds 5 to 10 kt. A chance of showers and tstms.
.TUE NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.
.WED...S winds 5 to 10 kt. A chance of showers and tstms.
.WED NIGHT...S winds 5 to 10 kt. A chance of showers and tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 86 degrees.

$$

AMZ350-261815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
127 AM EDT Sat Jul 26 2025

.TODAY...W winds 5 to 10 kt, becoming SW late. Seas 2 to 3 ft.
Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 7 seconds.
.TONIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds.
.SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at
3 seconds.
.SUN NIGHT...SW winds 10 kt. Seas 2 ft. Wave Detail: SW 2 ft at
3 seconds and SE 2 ft at 8 seconds.
.MON...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW 2 ft at
3 seconds and SE 1 foot at 8 seconds. A slight chance of showers
and tstms in the afternoon.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S
1 foot at 4 seconds and SE 1 foot at 8 seconds. A chance of
showers and tstms.
.TUE...SW winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-261815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
127 AM EDT Sat Jul 26 2025

.TODAY...W winds 5 to 10 kt, becoming S this afternoon. Seas 2 to
3 ft. Wave Detail: E 2 ft at 7 seconds and SW 1 foot at
3 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 8 seconds.
.SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at
3 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 8 seconds and S 1 foot at 3 seconds.
.MON...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at
8 seconds.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S
1 foot at 3 seconds and SE 1 foot at 8 seconds. A chance of
showers and tstms.
.TUE...S winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-261815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
127 AM EDT Sat Jul 26 2025

.TODAY...W winds 5 to 10 kt, becoming S this afternoon. Seas
2 ft. Wave Detail: SE 2 ft at 8 seconds and E 1 foot at
7 seconds.
.TONIGHT...S winds 10 kt, becoming SW after midnight. Seas 2 ft.
Wave Detail: E 2 ft at 7 seconds and S 1 foot at 3 seconds.
.SUN...NW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at
3 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 8 seconds and S 1 foot at 3 seconds.
.MON...W winds 5 to 10 kt, becoming S in the afternoon. Seas
2 ft. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at
8 seconds.
.MON NIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and SE 1 foot at 8 seconds. A slight chance of showers
and tstms.
.TUE...S winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Seas 2 ft. A chance of showers and
tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-261815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
127 AM EDT Sat Jul 26 2025

.TODAY...W winds 5 to 10 kt, becoming SW this afternoon. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at
7 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds and SW 1 foot at 2 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at
3 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 8 seconds and SW 1 foot at 3 seconds.
.MON...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds and SW 1 foot at 3 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 8 seconds. A slight chance of
showers and tstms.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.TUE NIGHT...S winds 10 kt. Seas 2 ft. A chance of showers with a
slight chance of tstms.
.WED...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
with a slight chance of tstms.
.WED NIGHT...S winds 10 kt. Seas 2 ft. A chance of showers and
tstms.

Winds and seas higher in and near tstms.

$$