319
FZUS52 KCHS 020527
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
127 AM 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

AMZ300-021800-
127 AM 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.

$$

AMZ330-021800-
Charleston Harbor-
127 AM EDT Wed Jul 2 2025

.REST OF TONIGHT...SW winds 10 kt. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt. A chance of showers and tstms in the
morning, then showers and tstms likely in the afternoon.
.WED NIGHT...SW winds 10 to 15 kt with gusts to 20 kt,
diminishing to 5 to 10 kt after midnight. Showers likely. Tstms
likely, mainly in the evening.
.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 85 degrees.

$$

AMZ350-021800-
Waters from South Santee River to Edisto Beach SC out 20 NM-
127 AM EDT Wed Jul 2 2025

.REST OF TONIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: SW 4 ft at 5 seconds and E 1 foot at 8 seconds. A chance
of showers and tstms.
.WED...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 7 seconds. A chance of showers and tstms.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 6 seconds and SE 1 foot at 9 seconds. Showers. Tstms
likely, mainly in the evening.
.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. A
chance of showers and tstms.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft. 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.

$$

AMZ352-021800-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
127 AM EDT Wed Jul 2 2025

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
9 seconds. A chance of showers and tstms.
.WED...SW 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.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt, becoming SW
5 to 10 kt after midnight. Seas 3 ft. Wave Detail: SE 3 ft at
7 seconds. Showers. Tstms 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: E 3 ft at 7 seconds. A chance of showers and
tstms.
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. 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.

$$

AMZ354-021800-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
127 AM EDT Wed Jul 2 2025

.REST OF TONIGHT...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. A chance
of showers and tstms, then a slight chance of showers and tstms
late.
.WED...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and E 1 foot at 9 seconds. A chance of showers with
a slight chance of tstms in the morning, then showers and tstms
likely in the afternoon.
.WED NIGHT...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. Showers likely.
Tstms likely, mainly in the evening.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 5 seconds and SE 2 ft at 8 seconds. Showers likely. A slight
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 3 ft at 7 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. 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.

$$

AMZ374-021800-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
127 AM EDT Wed Jul 2 2025

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas
3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at
9 seconds. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
5 seconds and E 2 ft at 8 seconds. A chance of tstms. A chance of
showers in the morning, then showers likely in the afternoon.
.WED NIGHT...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 E 2 ft at 8 seconds.
Showers. Tstms likely, mainly in the evening.
.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. A chance of showers and
tstms.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 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.

$$