361
FZUS52 KCHS 170030
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
830 PM EDT Mon Jun 16 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

AMZ300-171315-
830 PM EDT Mon Jun 16 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Atlantic high pressure will continue to build across the
Southeast through the week. A cold front could approach the
region late week.

$$

AMZ330-171315-
Charleston Harbor-
830 PM EDT Mon Jun 16 2025

.TONIGHT...SW winds 10 to 15 kt. A slight chance of showers and
tstms early this evening.
.TUE...SW winds 10 to 15 kt. A slight chance of showers and
tstms.
.TUE NIGHT...SW winds 10 to 15 kt. A slight chance of showers and
tstms in the evening.
.WED...SW winds 10 to 15 kt.
.WED NIGHT...SW winds 10 to 15 kt.
.THU...SW winds 10 to 15 kt. A slight chance of showers and
tstms.
.THU NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.FRI...SW winds 5 to 10 kt. A chance of showers and tstms.
.FRI NIGHT...SW 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 83 degrees.

$$

AMZ350-171315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
830 PM EDT Mon Jun 16 2025

.TONIGHT...SW winds 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.
.TUE...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 7 seconds. A
slight chance of showers and tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of
showers and tstms after midnight.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 4 ft at 7 seconds.
.WED NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds.
.THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-171315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
830 PM EDT Mon Jun 16 2025

.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft.
Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A
slight chance of showers and tstms late this evening.
.TUE...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
5 seconds and SE 3 ft at 8 seconds. A slight chance of showers
and tstms in the morning.
.TUE NIGHT...S winds 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
slight chance of showers and tstms after midnight.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds.
.WED NIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 ft. Wave
Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds.
.THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-171315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
830 PM EDT Mon Jun 16 2025

.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3
ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of
showers and tstms this evening.
.TUE...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.
.TUE NIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds.
.WED...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers
and tstms in the afternoon.
.WED NIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 ft. Wave
Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A slight
chance of showers and tstms in the evening.
.THU...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI NIGHT...S winds 10 kt. Seas 2 ft. A chance of showers and
tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-171315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
830 PM EDT Mon Jun 16 2025

.TONIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A
slight chance of showers and tstms late this evening.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 5 seconds and SE 3 ft at 8 seconds. A slight chance of showers
and tstms.
.TUE NIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A
slight chance of showers and tstms after midnight.
.WED...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 5 seconds and SE 3 ft at 8 seconds.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft.
Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 8 seconds. A
slight chance of showers and tstms after midnight.
.THU...SW winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$