Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 071114
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
714 AM 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

AMZ300-080015-
714 AM EDT Sat Jun 7 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Active weather pattern continues as multiple frontal boundaries
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.

$$

AMZ330-080015-
Charleston Harbor-
714 AM EDT Sat Jun 7 2025

.TODAY...SW winds 10 to 15 kt with gusts to 20 kt. A slight
chance of showers and tstms late.
.TONIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.SUN...SW winds 10 to 15 kt. 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. Showers likely with a chance
of tstms.
.MON...SW winds 10 to 15 kt. A chance of showers with a slight
chance of tstms in the morning, then showers likely with a chance
of tstms in the afternoon.
.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 5 to 10 kt. Showers likely 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 and tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 79 degrees.

$$

AMZ350-080015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
714 AM EDT Sat Jun 7 2025

.TODAY...SW winds 10 to 15 kt with gusts to 20 kt, increasing to
15 to 20 kt late. Seas 2 to 3 ft, building to 3 to 4 ft this
afternoon. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at
8 seconds.
.TONIGHT...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
8 seconds. A chance of showers and tstms.
.SUN...SW winds 15 to 20 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 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: 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. Seas 3 to 4 ft. Wave Detail: S
4 ft at 7 seconds. Showers with a chance of tstms.
.TUE...SW winds 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...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-080015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
714 AM EDT Sat Jun 7 2025

.TODAY...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. 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 in the morning, then showers likely with a
chance of tstms 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 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 1 foot at 9 seconds. A chance of tstms.
Showers.
.MON NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft,
subsiding to 2 to 3 ft after midnight. Wave Detail: S 3 ft at
5 seconds and SE 1 foot at 8 seconds. A chance of tstms. Showers.
.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 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 ft. Showers likely with
a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-080015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
714 AM EDT Sat Jun 7 2025

.TODAY...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 10 to 15 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. Seas 2 to 3 ft. Wave Detail: SW 3 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
2 ft at 4 seconds and SE 1 foot at 9 seconds. Showers likely with
a chance of tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and SE 1 foot at 9 seconds. Showers likely with a
slight 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 a
chance of tstms in the evening, then a chance of showers with a
slight 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 2 to 3 ft. Showers likely
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.

$$

AMZ374-080015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
714 AM EDT Sat Jun 7 2025

.TODAY...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 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 in the evening.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 5 seconds and SE 2 ft at 9 seconds. Showers likely. A slight
chance of tstms in the morning, then a chance of tstms 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 4 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. Wave Detail: SW 3 ft
at 5 seconds and E 2 ft at 9 seconds. Showers with a chance of
tstms.
.MON NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft,
building to 4 to 5 ft after midnight. Wave Detail: S 3 ft at
5 seconds and E 2 ft at 8 seconds, becoming SE 4 ft at 7 seconds.
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...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 likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$