276
FZUS52 KCHS 051757
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
157 PM EDT Thu Jun 5 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

AMZ300-060615-
157 PM EDT Thu Jun 5 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.

$$

AMZ330-060615-
Charleston Harbor-
157 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts to 20 kt. A
chance of showers and tstms early, then showers and tstms likely
late.
.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Showers and tstms likely, mainly in the evening.
.FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts to
20 kt in the afternoon. 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. A chance of showers and tstms,
mainly in the evening.
.SAT...SW winds 10 to 15 kt. 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. A chance of showers and tstms.
.SUN...SW winds 10 to 15 kt. Showers likely with a chance of
tstms.
.SUN NIGHT...SW winds 10 to 15 kt. A chance of showers and tstms.
.MON...SW winds 10 to 15 kt. A chance of showers and tstms.
.MON NIGHT...SW winds 10 to 15 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.

$$

AMZ350-060615-
Waters from South Santee River to Edisto Beach SC out 20 NM-
157 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds 15 kt with gusts to 20 kt. Seas 4 ft.
Wave Detail: S 3 ft at 7 seconds. A chance of showers and tstms.
.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds.
Showers and tstms likely, mainly in the evening.
.FRI...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 6 seconds. A slight chance of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 4 seconds and S 2 ft at 7 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 2 to 3 ft. Wave Detail: S 3 ft at 8 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 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers
and tstms.
.SUN...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with a
chance of tstms.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely
with a chance of tstms.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.MON NIGHT...SW winds 15 kt. Seas 3 to 4 ft. Showers likely with
a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-060615-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
157 PM EDT Thu Jun 5 2025

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

Winds and seas higher in and near tstms.

$$

AMZ354-060615-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
157 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 7 seconds. A chance of showers and tstms
early, then showers and tstms likely late.
.TONIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 7 seconds and S 2 ft at 4 seconds. Showers and tstms likely,
mainly in the evening.
.FRI...W winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Seas 2 to 3 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 2 ft. Wave Detail: 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 2 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 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and S 2 ft at 4 seconds. A chance of showers and
tstms.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with
a chance of tstms.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with
a chance of tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-060615-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
157 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: S 4 ft at 6 seconds. A slight chance of showers and tstms
early, then a chance of showers and tstms late.
.TONIGHT...SW winds 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds and SW 2 ft at 4 seconds. A 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: S 3 ft at 6 seconds and W
2 ft at 3 seconds, becoming SE 3 ft at 8 seconds and SW 1 foot at
4 seconds. A chance of showers and tstms, mainly in the morning.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of
showers and tstms in the evening, then a chance of showers and
tstms after midnight.
.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.
.SAT NIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 ft. Wave
Detail: S 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of
showers and tstms.
.SUN...SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers likely with
a chance of tstms.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely
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...S winds 10 to 15 kt. Seas 4 to 5 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$