648
FZUS52 KCHS 141933
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
333 PM EDT Sat Jun 14 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

AMZ300-150815-
333 PM EDT Sat Jun 14 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Atlantic high pressure will build across the Southeast United
States through the weekend into next week.

$$

AMZ330-150815-
Charleston Harbor-
333 PM EDT Sat Jun 14 2025

.TONIGHT...SW winds 15 kt with gusts to 20 kt, diminishing to 5
to 10 kt after midnight. Showers and tstms likely early this
evening, then a chance of showers and tstms late this evening. A
slight chance of showers and tstms after midnight.
.SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to
20 kt in the afternoon. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.
.SUN NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.MON...SW winds 10 to 15 kt. A chance of showers and tstms.
.MON NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.TUE...SW winds 10 to 15 kt. A chance of showers and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt. A chance of showers and tstms.
.WED NIGHT...SW winds 10 to 15 kt. A slight chance of showers and
tstms.
.THU...SW winds 10 to 15 kt. A chance of showers and tstms.
.THU NIGHT...SW winds 10 to 15 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.

$$

AMZ350-150815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
333 PM EDT Sat Jun 14 2025

.TONIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 6 seconds and SE 3 ft at 9 seconds. A chance of showers
and tstms, mainly this evening.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 5 seconds and SE 3 ft at 9 seconds. A chance of showers and
tstms. Vsby 1 to 3 NM.
.SUN NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 4 ft. Wave
Detail: SE 4 ft at 9 seconds and S 3 ft at 5 seconds. A chance of
showers and tstms in the evening, then showers and tstms likely
after midnight.
.MON...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 7 seconds. A chance of tstms. Showers
likely, mainly in the morning.
.MON 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 2 ft at 8 seconds.
Showers likely with a chance of tstms.
.TUE...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 7 seconds. A chance of tstms. Showers
likely, mainly in the morning.
.TUE NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
A chance of showers and tstms.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.WED NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.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.

Winds and seas higher in and near tstms.

$$

AMZ352-150815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
333 PM EDT Sat Jun 14 2025

.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 8 seconds and S 3 ft at 5 seconds. A chance of showers
and tstms until early morning, then a slight chance of showers
and tstms late.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 9 seconds. A chance of showers and tstms. Vsby 1 to 3 NM.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and
tstms in the evening, then showers and tstms after midnight.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds.
Showers likely with a chance of tstms.
.TUE...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
5 seconds and SE 2 ft at 8 seconds. A chance of showers and
tstms.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft.
A chance of showers and tstms.
.WED...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers with
a slight chance of tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.THU...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-150815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
333 PM EDT Sat Jun 14 2025

.TONIGHT...S 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 chance of showers
and tstms, mainly this evening.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds. A chance of showers and tstms. Vsby 1 to 3 NM in
the afternoon.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail:
SE 3 ft at 9 seconds. A chance of showers and tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A chance of showers and tstms.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft
at 4 seconds and SE 3 ft at 8 seconds. A chance of showers and
tstms.
.TUE...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 chance of showers and
tstms.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.
.WED...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
with a slight chance of tstms.
.THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-150815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
333 PM EDT Sat Jun 14 2025

.TONIGHT...S winds 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
9 seconds. A chance of showers and tstms.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds. A chance of showers and tstms. Vsby 1 to 3 NM.
.SUN NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers and
tstms in the evening, then showers and tstms likely after
midnight.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 8 seconds. A chance of tstms. Showers likely, mainly in the
morning.
.MON 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
chance of tstms. A chance of showers in the evening, then showers
likely after midnight.
.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. Showers likely with a
chance of tstms in the morning, then a chance of showers with a
slight chance of tstms in the afternoon.
.TUE NIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. A
chance of showers and tstms.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers with a slight chance of tstms.
.THU...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers with
a slight chance of tstms.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$