Coastal Waters Forecast
Issued by NWS Charleston, SC

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874
FZUS52 KCHS 061910
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
310 PM 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

AMZ300-070815-
310 PM EDT Fri Jun 6 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
An active weather pattern continues as multiple frontal
boundaries and disturbances impact the region. A few storms may
be severe this weekend, with damaging winds expected to be the
primary hazard. A brief reprieve in heat then returns early next
week in the wake of a strong cold front.

$$

AMZ330-070815-
Charleston Harbor-
310 PM EDT Fri Jun 6 2025

.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt late
this evening. A slight chance of showers and tstms early this
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...SW winds 10 to 15 kt with gusts to 20 kt. 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. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 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.
.WED...SW winds 10 kt. Showers and tstms likely.
.WED NIGHT...S 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 80 degrees.

$$

AMZ350-070815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
310 PM EDT Fri Jun 6 2025

.TONIGHT...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 early this evening.
.SAT...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at
8 seconds, becoming SW 3 ft at 5 seconds and SE 2 ft at
8 seconds. A slight chance of showers and tstms in the afternoon.
.SAT NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds. Showers and tstms likely, mainly in the evening.
.SUN...SW winds 15 to 20 kt with gusts to 25 kt. Seas 2 to 3 ft,
building to 3 to 4 ft in the afternoon. Wave Detail: SW 3 ft at
5 seconds and SE 1 foot at 9 seconds, becoming SW 4 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 with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
9 seconds. Showers and tstms likely.
.MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon. Wave Detail: S 3 ft at 7 seconds, becoming S 4 ft at
7 seconds. Showers and tstms likely.
.MON NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.TUE...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers and tstms
likely.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers with
tstms likely.
.WED...SW winds 10 kt. Seas 3 ft. Showers and tstms likely.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ352-070815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
310 PM EDT Fri Jun 6 2025

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

Winds and seas higher in and near tstms.

$$

AMZ354-070815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
310 PM EDT Fri Jun 6 2025

.TONIGHT...SW winds 10 to 15 kt, becoming W late. Seas 2 to 3 ft.
Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. A
chance of showers and tstms early this evening.
.SAT...W winds 10 to 15 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 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, mainly in the evening.
.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 and tstms likely in the
afternoon.
.SUN 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 9 seconds. Showers and tstms
likely.
.MON...SW winds 10 to 15 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
9 seconds. Tstms likely. Showers.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Tstms likely.
Showers.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers with
tstms likely.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ374-070815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
310 PM EDT Fri Jun 6 2025

.TONIGHT...SW winds 10 to 15 kt, becoming W late. 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 until early morning.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 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 with gusts to 20 kt. Seas 2 to
3 ft, building to 3 to 4 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. A chance of showers and
tstms.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft. Wave
Detail: SW 3 ft at 5 seconds and SE 2 ft 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 kt with gusts to 20 kt. Seas 2 to 3 ft.
Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds.
Showers and tstms likely.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 5 seconds and E 2 ft at 9 seconds. Showers and tstms likely.
.MON NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Showers and tstms likely.
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers with
tstms likely.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.WED NIGHT...S winds 5 to 10 kt. Seas 3 ft. Showers and tstms
likely.

Winds and seas higher in and near tstms.

$$