Coastal Waters Forecast
Issued by NWS Charleston, SC

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747
FZUS52 KCHS 071807
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
207 PM EDT Sat Jun 7 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

AMZ300-080715-
207 PM EDT Sat Jun 7 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
An active weather pattern continues as multiple upper
disturbances impact the region. A few storms may become strong to
severe this weekend. A cold front will approach early next week
and then stall near or over the area around the middle of next
week.

$$

AMZ330-080715-
Charleston Harbor-
207 PM EDT Sat Jun 7 2025

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

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 81 degrees.

$$

AMZ350-080715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
207 PM EDT Sat Jun 7 2025

.THIS AFTERNOON...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: SW 3 ft at 5 seconds and SE 1 foot at 8 seconds.
.TONIGHT...SW winds 15 to 20 kt. 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 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. A
chance of showers and tstms.
.SUN NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft. Wave Detail: SW 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, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds.
Showers likely with a chance of tstms.
.MON NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: S 4 ft
at 5 seconds and SE 1 foot at 8 seconds, becoming S 4 ft at
7 seconds. Showers likely 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 10 to 15 kt. Seas 3 to 4 ft. Showers with a
chance of tstms.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-080715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
207 PM EDT Sat Jun 7 2025

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

Winds and seas higher in and near tstms.

$$

AMZ354-080715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
207 PM EDT Sat Jun 7 2025

.THIS AFTERNOON...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. A slight chance
of showers and tstms.
.TONIGHT...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 1 foot at
8 seconds. A slight chance of showers and tstms 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 4 seconds and SE 1 foot at 9 seconds. A
slight chance of showers and tstms in the morning, then a chance
of showers and tstms 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 with tstms
likely.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and SE 1 foot at 9 seconds. Showers likely with a
chance of tstms in the morning, then showers with tstms likely in
the afternoon.
.MON 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 8 seconds. Showers with tstms
likely in the evening, then showers likely with a chance of tstms
after midnight.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers with a
chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers with a
chance of tstms.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft. Showers likely with a
chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-080715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
207 PM EDT Sat Jun 7 2025

.THIS AFTERNOON...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.
.TONIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. A
slight chance of showers and tstms.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 9 seconds. A
slight chance of showers and tstms in the morning, then a chance
of showers and tstms in the afternoon.
.SUN NIGHT...SW 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 2 ft at 9 seconds.
Showers with tstms likely.
.MON...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW 3 ft at
5 seconds and E 2 ft at 9 seconds. A chance of tstms. Showers.
.MON NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: SE 4 ft at 7 seconds. Showers likely 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...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers with a
chance of tstms.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a
chance of tstms.

Winds and seas higher in and near tstms.

$$