812
FZUS52 KCHS 150612
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
212 AM EDT Sun Jun 15 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

AMZ300-151915-
212 AM EDT Sun Jun 15 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.

$$

AMZ330-151915-
Charleston Harbor-
212 AM EDT Sun Jun 15 2025

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt this afternoon. A slight chance of showers and
tstms early this morning, then a chance of showers and tstms by
afternoon.
.TONIGHT...SW winds 10 to 15 kt. A chance of showers and tstms,
mainly in the evening.
.MON...SW winds 10 to 15 kt. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.MON NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms,
mainly in the 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. A slight chance of showers and
tstms.
.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 slight 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 81 degrees.

$$

AMZ350-151915-
Waters from South Santee River to Edisto Beach SC out 20 NM-
212 AM EDT Sun Jun 15 2025

.TODAY...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 slight chance of
showers and tstms mainly morning into early afternoon.
.TONIGHT...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 slight
chance of showers and tstms in the evening, then a chance of
showers and tstms after midnight.
.MON...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
chance of showers and tstms.
.MON NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail:
SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of
showers and 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 showers and tstms.
.TUE NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 7 seconds. 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...SW winds 15 kt. Seas 3 to 4 ft. A slight 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.

$$

AMZ352-151915-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
212 AM EDT Sun Jun 15 2025

.TODAY...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 9 seconds. A slight chance of showers and tstms mainly
morning into early afternoon.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 8 seconds. A chance of showers and
tstms.
.MON...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 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: SW 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 3 ft. Wave Detail: S 3 ft at
5 seconds and SE 2 ft at 8 seconds. A slight chance of tstms. A
chance of showers, mainly in the morning.
.TUE NIGHT...S 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.
A chance of showers and tstms.
.WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms.
.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.

Winds and seas higher in and near tstms.

$$

AMZ354-151915-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
212 AM EDT Sun Jun 15 2025

.TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds.A slight chance of showers and tstms mainly
morning into early afternoon.
.TONIGHT...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, mainly in the
evening.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. A slight chance of showers and tstms in the
morning, then a chance of showers and tstms in the afternoon.
.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. A
chance of tstms, mainly in the evening.
.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 slight chance of tstms.
A chance of showers, mainly in the morning.
.TUE 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.
.WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.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 2 to 3 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-151915-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
212 AM EDT Sun Jun 15 2025

.TODAY...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 until afternoon,
then a slight chance of showers and tstms.
.TONIGHT...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 slight chance of
showers and tstms in the evening, then a chance of showers and
tstms 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 showers. A chance of tstms, mainly in
the morning.
.MON NIGHT...S winds 10 to 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 showers and tstms.
.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 chance of showers. A
chance of tstms, mainly in the morning.
.TUE NIGHT...S winds 10 to 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 showers. A chance of tstms, mainly in the evening.
.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 to 4 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.

Winds and seas higher in and near tstms.

$$