057
FZUS52 KCHS 031730
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1230 PM EST Wed Dec 3 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

AMZ300-040600-
1230 PM EST Wed Dec 3 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail across the region before a frontal
system impacts the area Friday into the weekend. High pressure
will then return heading into the middle of next week.

$$

AMZ330-040600-
Charleston Harbor-
1230 PM EST Wed Dec 3 2025

.THIS AFTERNOON...N winds 5 kt.
.TONIGHT...N winds 5 kt.
.THU...NW winds 5 kt.
.THU NIGHT...NE winds 5 kt. A slight chance of showers in the
evening, then a chance of showers after midnight.
.FRI...NE winds 5 to 10 kt, becoming N in the afternoon. Showers.
.FRI NIGHT...N winds 5 to 10 kt. Showers.
.SAT...N winds 5 kt. Showers.
.SAT NIGHT...N winds 5 kt. Showers likely.
.SUN...NE winds 5 to 10 kt. A chance of showers.
.SUN NIGHT...N winds 5 to 10 kt. A chance of showers.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 59 degrees.

$$

AMZ350-040600-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1230 PM EST Wed Dec 3 2025

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: NE 2 ft at 5 seconds and SE 2 ft at 8 seconds.
.TONIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and SE 2 ft at 8 seconds.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 11 seconds and NE 1 foot at 5 seconds.
.THU NIGHT...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 10 seconds and NE 1 foot at 4 seconds. A slight chance of
showers in the evening, then a chance of showers after midnight.
.FRI...E winds 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 5 seconds and
SE 3 ft at 10 seconds. Showers.
.FRI NIGHT...N winds 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 6 seconds and E 3 ft at 10 seconds. Showers.
.SAT...N winds 5 to 10 kt. Seas 3 to 4 ft. Showers.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Showers.
.SUN...NE winds 10 kt. Seas 2 to 3 ft. Showers likely.
.SUN NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft. A chance of
showers.

$$

AMZ352-040600-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1230 PM EST Wed Dec 3 2025

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 8 seconds and NE 1 foot at 4 seconds.
.TONIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds and NE 1 foot at 4 seconds.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 11 seconds and NE 1 foot at 5 seconds.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 11 seconds and NE 1 foot at 5 seconds. A chance of
showers.
.FRI...NE winds 10 kt, becoming NW in the afternoon. Seas 2 to
3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: E 3 ft
at 10 seconds, becoming E 3 ft at 10 seconds and S 2 ft at
5 seconds. Showers.
.FRI NIGHT...N winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 6 seconds and E 3 ft at 10 seconds. Showers.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft. Showers.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a
slight chance of tstms.
.SUN...NE winds 10 kt. Seas 2 to 3 ft. Showers likely.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ354-040600-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1230 PM EST Wed Dec 3 2025

.THIS AFTERNOON...NW winds 5 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 8 seconds.
.TONIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
8 seconds and NE 1 foot at 4 seconds.
.THU...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds and NE 1 foot at 5 seconds. A slight chance of showers
in the afternoon.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 11 seconds and NE 1 foot at 5 seconds. A chance of
showers.
.FRI...E winds 10 kt, becoming SW in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 2 ft at 5 seconds and E 2 ft at 10 seconds.
A chance of showers in the morning, then showers likely in the
afternoon.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 5 seconds and E 2 ft at 10 seconds. Showers likely.
.SAT...N winds 10 kt. Seas 2 to 3 ft. Showers likely.
.SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a
slight chance of tstms.
.SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ374-040600-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1230 PM EST Wed Dec 3 2025

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

Winds and seas higher in and near tstms.

$$