749
FZUS52 KCHS 060951
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
551 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

AMZ300-062215-
551 AM EDT Fri Jun 6 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Active weather pattern continues as multiple frontal boundaries
and disturbances impact the region. A few storms may become
strong to severe 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.

$$

AMZ330-062215-
Charleston Harbor-
551 AM EDT Fri Jun 6 2025

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

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 79 degrees.

$$

AMZ350-062215-
Waters from South Santee River to Edisto Beach SC out 20 NM-
551 AM EDT Fri Jun 6 2025

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

Winds and seas higher in and near tstms.

$$

AMZ352-062215-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
551 AM EDT Fri Jun 6 2025

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

Winds and seas higher in and near tstms.

$$

AMZ354-062215-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
551 AM EDT Fri Jun 6 2025

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

Winds and seas higher in and near tstms.

$$

AMZ374-062215-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
551 AM EDT Fri Jun 6 2025

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

Winds and seas higher in and near tstms.

$$