917
FZUS52 KCHS 030600
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
100 AM 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

AMZ300-031900-
100 AM EST Wed Dec 3 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail today before another frontal system
impacts the area Friday into the weekend.

$$

AMZ330-031900-
Charleston Harbor-
100 AM EST Wed Dec 3 2025

.REST OF TONIGHT...N winds 5 to 10 kt.
.WED...N winds 5 to 10 kt.
.WED NIGHT...N winds 5 kt.
.THU...NW winds 5 kt.
.THU NIGHT...N 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. Showers.
.FRI NIGHT...N winds 5 to 10 kt. Showers.
.SAT...N winds 5 kt. Showers.
.SAT NIGHT...N winds 5 kt. Showers.
.SUN...N winds 5 to 10 kt. A chance of showers.
.SUN NIGHT...N winds 5 to 10 kt. A slight chance of showers.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 59 degrees.

$$

AMZ350-031900-
Waters from South Santee River to Edisto Beach SC out 20 NM-
100 AM EST Wed Dec 3 2025

.REST OF TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds and SW 3 ft at 6 seconds.
.WED...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: NE 3 ft at 6 seconds and S 2 ft at
7 seconds, becoming NE 3 ft at 7 seconds.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
10 seconds.
.THU NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas
3 ft. Wave Detail: E 3 ft at 10 seconds. A slight chance of
showers in the evening, then a chance of showers after midnight.
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 9 seconds. Showers.
.FRI NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. 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. A chance of showers.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance
of showers.

$$

AMZ352-031900-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
100 AM EST Wed Dec 3 2025

.REST OF TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: SE 4 ft at 8 seconds and NW 2 ft at 3 seconds.
.WED...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds and W 1 foot at 3 seconds.
.WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds.
.THU...N winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
10 seconds. A slight chance of showers in the afternoon.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 10 seconds. A chance of showers.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds. Showers.
.FRI NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. 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.
.SUN...NE winds 10 kt. Seas 2 to 3 ft. A chance of showers.
.SUN NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

$$

AMZ354-031900-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
100 AM EST Wed Dec 3 2025

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

Winds and seas higher in and near tstms.

$$

AMZ374-031900-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
100 AM EST Wed Dec 3 2025

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

$$