528
FZUS52 KCHS 070528
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
128 AM EDT Wed May 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

AMZ300-071815-
128 AM EDT Wed May 7 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A front will remain stalled near the area through the weekend
before low pressure moves up the coast early next week.

$$

AMZ330-071815-
Charleston Harbor-
128 AM EDT Wed May 7 2025

.REST OF TONIGHT...W winds 5 kt.
.WED...NW winds 5 kt, becoming S in the afternoon. A chance of
showers in the afternoon.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. A
chance of showers, mainly in the evening.
.THU...N winds 5 kt, becoming S in the afternoon. A chance of
showers with a slight chance of tstms.
.THU NIGHT...SW winds 5 to 10 kt. A slight chance of tstms. A
chance of showers in the evening, then showers likely after
midnight.
.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Showers likely with a slight chance of tstms in the
morning, then showers with a chance of tstms in the afternoon.
.FRI NIGHT...S winds 10 kt, becoming NE after midnight. Showers
with a chance of tstms.
.SAT...NE winds 10 to 15 kt. Showers likely with a slight chance
of tstms.
.SAT NIGHT...E winds 10 to 15 kt. Showers likely with a slight
chance of tstms.
.SUN...E winds 10 to 15 kt. Showers likely with a slight chance
of tstms.
.SUN NIGHT...E winds 10 to 15 kt. Showers likely with a slight
chance of tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 76 degrees.

$$

AMZ350-071815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
128 AM EDT Wed May 7 2025

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

Winds and seas higher in and near tstms.

$$

AMZ352-071815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
128 AM EDT Wed May 7 2025

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

Winds and seas higher in and near tstms.

$$

AMZ354-071815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
128 AM EDT Wed May 7 2025

.REST OF TONIGHT...S winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 8 seconds.
.WED...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
7 seconds. Showers with a chance of tstms in the afternoon.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 ft. Wave Detail: SE 2 ft at 8 seconds. A chance of showers,
mainly in the evening.
.THU...W winds 5 kt, becoming SE in the afternoon. Seas 2 ft.
Wave Detail: SE 2 ft at 8 seconds. A chance of showers with a
slight chance of tstms in the morning, then showers likely with a
chance of tstms in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 9 seconds. Showers likely with a chance of tstms.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
10 seconds and S 2 ft at 4 seconds. Showers likely with a slight
chance of tstms in the morning, then showers with a chance of
tstms in the afternoon.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Showers with a chance
of tstms.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. Showers with a chance
of tstms.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Showers with a
chance of tstms.
.SUN...E winds 10 kt. Seas 3 to 4 ft. Showers with a chance of
tstms.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. Showers likely
with a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-071815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
128 AM EDT Wed May 7 2025

.REST OF TONIGHT...S winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds and E 1 foot at 8 seconds.
.WED...SE winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
7 seconds. Showers likely with a chance of tstms in the
afternoon.
.WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds. A chance of
showers, mainly in the evening.
.THU...NW winds 5 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: E 2 ft at 8 seconds. A chance of showers with
a slight chance of tstms.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds. A chance of tstms. Showers.
.FRI...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 10 seconds and S 2 ft at 4 seconds. Showers with a chance of
tstms.
.FRI NIGHT...S winds 10 kt. Seas 3 to 4 ft. Showers. A chance of
tstms, mainly in the evening.
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. Showers with a chance
of tstms.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Showers with a
chance of tstms.
.SUN...SE winds 10 kt. Seas 4 ft. Showers with a chance of tstms.
.SUN NIGHT...SE winds 10 kt. Seas 4 to 5 ft. Showers likely with
a slight chance of tstms.

Winds and seas higher in and near tstms.

$$