620
FZUS52 KCHS 060411
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1211 AM EDT Fri Jun 6 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

AMZ300-061715-
1211 AM EDT Fri Jun 6 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Weak low pressure will move north of the area through tonight. A
stationary front will pass to the north this weekend. Next week
the local area will remain between Atlantic high pressure and a
surface trough inland.

$$

AMZ330-061715-
Charleston Harbor-
1211 AM EDT Fri Jun 6 2025

.REST OF TONIGHT...SW winds 10 kt. A slight chance of showers and
tstms.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. A slight
chance of showers and tstms in the afternoon.
.FRI NIGHT...SW winds 10 kt. A slight chance of showers and tstms
in the evening.
.SAT...SW winds 10 to 15 kt. A chance of showers and tstms in the
afternoon.
.SAT NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.SUN...W winds 10 kt, becoming SW 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. Showers and tstms likely.
.MON...SW winds 10 to 15 kt. Showers and tstms likely.
.MON NIGHT...SW winds 10 to 15 kt. Showers and tstms likely.
.TUE...SW winds 10 to 15 kt. Showers and tstms likely.
.TUE NIGHT...SW winds 10 to 15 kt. Showers and tstms likely.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 79 degrees.

$$

AMZ350-061715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1211 AM EDT Fri Jun 6 2025

.REST OF TONIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: S 3 ft at 7 seconds. A slight chance of showers and
tstms.
.FRI...W winds 10 to 15 kt, becoming SW in the afternoon. Seas
3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. A slight chance of
showers and tstms in the morning, then a chance of showers and
tstms in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW
3 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of
showers and tstms.
.SAT...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. 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 in the
afternoon.
.SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds
and SE 1 foot at 8 seconds. Showers and tstms likely.
.SUN...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and
SE 1 foot at 9 seconds. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.
.SUN NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. Showers with tstms likely.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers with tstms
likely.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers with
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ352-061715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1211 AM EDT Fri Jun 6 2025

.REST OF TONIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: SE 3 ft at 7 seconds. A slight chance of showers and
tstms.
.FRI...W winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A
slight chance of showers and tstms in the morning, then a chance
of showers and tstms in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of
showers and tstms, mainly in the evening.
.SAT...SW 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 morning, then a chance of showers and tstms in
the afternoon.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and SE 2 ft at 8 seconds. Showers and tstms
likely.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 5 seconds and SE 1 foot at 9 seconds. 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. Seas 2 to 3 ft. Showers with
tstms likely.
.MON...SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers with
tstms likely.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers with
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ354-061715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1211 AM EDT Fri Jun 6 2025

.REST OF TONIGHT...SW winds 15 to 20 kt. Seas 3 ft. Wave Detail:
S 3 ft at 6 seconds. A slight chance of showers and tstms.
.FRI...W winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. A
chance of showers and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and
tstms, mainly in the evening.
.SAT...W winds 10 kt, becoming SW in the afternoon. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.
A slight chance of showers and tstms in the morning, then a
chance of showers and tstms in the afternoon.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers
and tstms.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 1 foot at 9 seconds. A chance of showers and
tstms in the morning, then showers with tstms likely in the
afternoon.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Tstms likely.
Showers.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers with tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and
tstms likely.
.TUE...SW winds 10 kt. Seas 2 to 3 ft. Showers and tstms likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ374-061715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1211 AM EDT Fri Jun 6 2025

.REST OF TONIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: S 3 ft at 7 seconds. A slight chance of showers and
tstms.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: SW 3 ft at 5 seconds and SE
2 ft at 7 seconds, becoming SW 2 ft at 5 seconds and SE 2 ft at
8 seconds. A chance of showers and tstms.
.FRI NIGHT...SW winds 10 kt. Seas 3 ft. Wave Detail: SW 2 ft at
4 seconds and SE 2 ft at 8 seconds. A chance of showers and
tstms.
.SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 8 seconds. A chance of showers and
tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft, building to
4 to 5 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and
SE 2 ft at 8 seconds, becoming SW 3 ft at 4 seconds and SE 2 ft
at 9 seconds. Showers and tstms likely.
.SUN...SW winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: SW 3 ft at 4 seconds and SE
2 ft at 9 seconds. Showers and tstms likely.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Showers with tstms likely.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. Showers with
tstms likely.
.TUE...SW winds 10 to 15 kt. Seas 4 to 5 ft. Showers and tstms
likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers with
tstms likely.

Winds and seas higher in and near tstms.

$$