481
FZUS52 KCHS 011808
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
208 PM EDT Fri Aug 1 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

AMZ300-020700-
208 PM EDT Fri Aug 1 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front passes through tonight and moves south of the region
over the weekend, before stalling nearby into next week.

$$

AMZ330-020700-
Charleston Harbor-
208 PM EDT Fri Aug 1 2025

.THIS AFTERNOON...SW winds 10 to 15 kt. A slight chance of
showers and tstms early, then a chance of showers and tstms late.
.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Showers with tstms likely in the evening, then showers
likely with a chance of tstms after midnight.
.SAT...N winds 5 to 10 kt, becoming E in the afternoon. A chance
of showers and tstms in the morning, then showers and tstms
likely in the afternoon.
.SAT NIGHT...NE winds 10 kt. Showers. Tstms likely, mainly in the
evening.
.SUN...NE winds 10 to 15 kt. Showers likely. A chance of tstms in
the morning, then tstms likely in the afternoon.
.SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Showers likely with a chance of tstms.
.MON...NE winds 5 to 10 kt. Showers and tstms likely.
.MON NIGHT...E winds 5 to 10 kt. A chance of showers and tstms.
.TUE...E winds 5 to 10 kt. Showers and tstms likely.
.TUE NIGHT...E winds 5 to 10 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 88 degrees.

$$

AMZ350-020700-
Waters from South Santee River to Edisto Beach SC out 20 NM-
208 PM EDT Fri Aug 1 2025

.THIS AFTERNOON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance
of showers and tstms late.
.TONIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 4 seconds and SE 1 foot at 8 seconds. Tstms likely.
Showers.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and E 2 ft at 8 seconds. A chance of showers and
tstms in the morning, then showers with tstms likely in the
afternoon.
.SAT NIGHT...NE 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: E 3 ft
at 8 seconds and SE 2 ft at 5 seconds, becoming NE 3 ft at
5 seconds and S 1 foot at 5 seconds. Showers with tstms likely.
.SUN...NE winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to
5 ft in the afternoon. Wave Detail: NE 4 ft at 5 seconds and S
1 foot at 5 seconds, becoming NE 4 ft at 6 seconds and S 1 foot
at 5 seconds. Showers. A chance of tstms in the morning, then
tstms likely in the afternoon.
.SUN NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft, subsiding to 3 to 4 ft after
midnight. Wave Detail: SE 4 ft at 6 seconds, becoming E 4 ft at
8 seconds. Showers likely with a chance of tstms.
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with
a chance of tstms.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely
with a chance of tstms.
.TUE...E winds 5 to 10 kt. Seas 3 ft. Showers likely with a
chance of tstms.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 ft. Showers likely with a
chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-020700-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
208 PM EDT Fri Aug 1 2025

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

$$

AMZ354-020700-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
208 PM EDT Fri Aug 1 2025

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

Winds and seas higher in and near tstms.

$$

AMZ374-020700-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
208 PM EDT Fri Aug 1 2025

.THIS AFTERNOON...SW winds 10 kt. Seas 2 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 1 foot at 9 seconds. A slight chance of
showers and tstms late.
.TONIGHT...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 2 ft at 9 seconds.
Showers likely with a chance of tstms.
.SAT...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at
8 seconds. A chance of showers. A chance of tstms in the morning,
then tstms likely in the afternoon.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 8 seconds and SE 1 foot at 4 seconds. Showers. Tstms likely,
mainly in the evening.
.SUN...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
8 seconds and E 1 foot at 5 seconds. Showers with a chance of
tstms.
.SUN NIGHT...E winds 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 6 seconds and S 1 foot at 4 seconds. Showers. Tstms likely,
mainly in the evening.
.MON...E winds 10 kt. Seas 3 to 4 ft. Showers likely with a
chance of tstms.
.MON NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Showers likely
with a chance of tstms.
.TUE...SE winds 5 to 10 kt. Seas 3 to 4 ft. Showers likely with a
chance of tstms.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Showers likely
with a chance of tstms.

Winds and seas higher in and near tstms.

$$