722
FZUS52 KCHS 291815
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
215 PM EDT Tue Sep 29 2026

South Santee River SC to Altamaha Sound GA out 60 NM, including
Charleston Harbor and Grays Reef National Marine Sanctuary

AMZ300-300800-
215 PM EDT Tue Sep 29 2026

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend across the region through this week.
Unsettled weather could return late week through the weekend.

$$

AMZ340-300800-
Charleston Harbor-
215 PM EDT Tue Sep 29 2026

.THIS AFTERNOON...SE winds 5 to 10 kt.
.TONIGHT...SE winds 5 to 10 kt, diminishing to 5 kt after
midnight.
.WED...NE winds 5 kt, becoming E in the afternoon.
.WED NIGHT...E winds 5 to 10 kt.
.THU...NE winds 5 kt, becoming E in the afternoon.
.THU NIGHT...E winds 5 to 10 kt, becoming SE after midnight.
.FRI...SE winds 5 to 10 kt.
.FRI NIGHT...S winds 5 to 10 kt.
.SAT...SE winds 5 to 10 kt. A slight chance of showers and tstms.
.SAT NIGHT...SE winds 5 to 10 kt. A chance of showers with a
slight chance of tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 78 degrees.

$$

AMZ360-300800-
Coastal waters from South Santee River to Edisto Beach SC out
20 NM-
215 PM EDT Tue Sep 29 2026

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: S
2 ft at 5 seconds and E 1 foot at 10 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
5 seconds and E 1 foot at 10 seconds.
.WED...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
4 seconds and E 1 foot at 11 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 4 seconds and E 1 foot at 11 seconds.
.THU...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
4 seconds and E 1 foot at 11 seconds.
.THU NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas
2 ft. Wave Detail: E 2 ft at 5 seconds and E 1 foot at
12 seconds.
.FRI...SE winds 5 kt. Seas 2 ft.
.FRI NIGHT...S winds 5 kt. Seas 2 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ362-300800-
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM-
215 PM EDT Tue Sep 29 2026

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE
2 ft at 5 seconds and E 1 foot at 10 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 5 seconds and E 1 foot at 10 seconds.
.WED...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 1 foot at
4 seconds and E 1 foot at 12 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 4 seconds and E 1 foot at 12 seconds.
.THU...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
4 seconds and SE 1 foot at 11 seconds.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 5 seconds and E 1 foot at 11 seconds.
.FRI...SE winds 5 kt. Seas 2 ft.
.FRI NIGHT...S winds 5 kt. Seas 2 ft.
.SAT...SE winds 5 kt. Seas 2 ft. A slight chance of showers and
tstms.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ364-300800-
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm,
including Grays Reef National Marine Sanctuary-
215 PM EDT Tue Sep 29 2026

.THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE
2 ft at 4 seconds and E 1 foot at 10 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 1 foot
at 4 seconds and E 1 foot at 10 seconds. A slight chance of
showers after midnight.
.WED...E winds 5 kt, increasing to 5 to 10 kt in the afternoon.
Seas 2 ft. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at
10 seconds. A slight chance of showers in the morning.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 4 seconds and E 1 foot at 11 seconds.
.THU...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
4 seconds and E 1 foot at 11 seconds.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 4 seconds and E 1 foot at 11 seconds.
.FRI...SE winds 5 kt. Seas 2 ft. A slight chance of showers.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 2 ft. A chance of showers
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ380-300800-
Waters from South Santee River SC to Edisto Beach SC extending
from 20 to 60 NM-
215 PM EDT Tue Sep 29 2026

.THIS AFTERNOON...E winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at
10 seconds and S 1 foot at 5 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
5 seconds and E 2 ft at 10 seconds.
.WED...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
4 seconds and E 2 ft at 10 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 3 seconds and E 2 ft at 11 seconds.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
5 seconds and E 2 ft at 10 seconds. A slight chance of showers in
the afternoon.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 5 seconds and E 2 ft at 11 seconds. A slight chance of
showers in the evening.
.FRI...SE winds 5 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.SAT...SE winds 5 kt. Seas 2 to 3 ft. A slight chance of showers
and tstms.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ382-300800-
Waters from Edisto Beach SC to Savannah GA extending from 20 to
60 NM-
215 PM EDT Tue Sep 29 2026

.THIS AFTERNOON...E winds 5 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and E 2 ft at 10 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 4 seconds and E 2 ft at 10 seconds. A slight chance of showers
in the evening.
.WED...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
4 seconds and E 2 ft at 12 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 4 seconds and E 2 ft at 11 seconds.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
4 seconds and E 2 ft at 11 seconds. A slight chance of showers.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 5 seconds and E 2 ft at 11 seconds. A slight chance of
showers in the evening.
.FRI...SE winds 5 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.SAT...SE winds 5 kt. Seas 2 to 3 ft. A slight chance of showers
and tstms.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 3 ft. A chance of showers
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ384-300800-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
215 PM EDT Tue Sep 29 2026

.THIS AFTERNOON...SE winds 5 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and E 2 ft at 10 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 4 seconds and E 2 ft at 10 seconds. A slight chance of showers
and tstms.
.WED...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
4 seconds and E 2 ft at 10 seconds. A slight chance of tstms in
the morning. A slight chance of showers.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 5 seconds and E 2 ft at 10 seconds.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
4 seconds and E 2 ft at 10 seconds. A slight chance of showers.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 5 seconds and E 2 ft at 11 seconds.
.FRI...SE winds 5 kt. Seas 2 to 3 ft. A slight chance of showers
and tstms.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$