360
FZUS52 KCHS 021814
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
214 PM EDT Wed Jul 2 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

AMZ300-030715-
214 PM EDT Wed Jul 2 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front is expected to move into the area today and could
then linger along or just off the coast through the weekend.

$$

AMZ330-030715-
Charleston Harbor-
214 PM EDT Wed Jul 2 2025

.THIS AFTERNOON...S winds 10 to 15 kt with gusts to 20 kt. A
chance of showers and tstms.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt, diminishing
to 5 to 10 kt after midnight. A chance of showers and tstms.
.THU...S winds 5 to 10 kt. Showers likely with a chance of tstms
in the morning, then showers and tstms likely in the afternoon.
.THU NIGHT...S winds 5 kt, becoming NW after midnight. Showers
and tstms likely, mainly in the evening.
.FRI...NE winds 5 to 10 kt, becoming E in the afternoon. A chance
of showers. A slight chance of tstms in the morning, then a
chance of tstms in the afternoon.
.FRI NIGHT...E winds 5 to 10 kt. A chance of showers and tstms,
mainly in the evening.
.SAT...NE winds 10 to 15 kt. A chance of showers and tstms.
.SAT NIGHT...E winds 10 to 15 kt. A chance of showers and tstms.
.SUN...E winds 10 to 15 kt. A chance of showers and tstms.
.SUN NIGHT...S 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 86 degrees.

$$

AMZ350-030715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
214 PM EDT Wed Jul 2 2025

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

Winds and seas higher in and near tstms.

$$

AMZ352-030715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
214 PM EDT Wed Jul 2 2025

.THIS AFTERNOON...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S
3 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers
and tstms late.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt, becoming SW
5 to 10 kt after midnight. Seas 3 ft. Wave Detail: S 3 ft at
5 seconds and SE 3 ft at 9 seconds. A chance of tstms. Showers
likely, mainly in the evening.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. Showers likely with a chance of tstms.
.THU NIGHT...S winds 5 kt, becoming W after midnight. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of showers. A
chance of tstms, mainly in the evening.
.FRI...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 7 seconds and NE 1 foot at
2 seconds. A chance of showers and tstms.
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds and E 2 ft at 3 seconds. A chance of showers
and tstms, mainly in the evening.
.SAT...NE winds 15 kt. Seas 3 to 4 ft. A chance of showers and
tstms.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
and tstms.
.SUN NIGHT...S winds 5 to 10 kt. Seas 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-030715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
214 PM EDT Wed Jul 2 2025

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

Winds and seas higher in and near tstms.

$$

AMZ374-030715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
214 PM EDT Wed Jul 2 2025

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

Winds and seas higher in and near tstms.

$$