975
FZUS52 KCHS 190940
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
440 AM EST Wed Nov 19 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

AMZ300-192200-
440 AM EST Wed Nov 19 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Dry high pressure is expected to prevail across the area through
the week. A cold front is expected to move through this weekend.

$$

AMZ330-192200-
Charleston Harbor-
440 AM EST Wed Nov 19 2025

.TODAY...W winds 5 kt, becoming SW this afternoon.
.TONIGHT...W winds 5 kt.
.THU...NE winds 5 kt.
.THU NIGHT...NE winds 5 kt.
.FRI...SW winds 5 kt.
.FRI NIGHT...SW winds 5 kt.
.SAT...SW winds 5 to 10 kt.
.SAT NIGHT...W winds 5 to 10 kt.
.SUN...N winds 5 to 10 kt.
.SUN NIGHT...NE winds 5 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 61 degrees.

$$

AMZ350-192200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
440 AM EST Wed Nov 19 2025

.TODAY...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and E 1 foot at 6 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at
8 seconds.
.THU...NE winds 5 kt. Seas 1 foot or less. Wave Detail: S 1 foot
at 4 seconds and E 1 foot at 7 seconds.
.THU NIGHT...NE winds 5 kt. Seas 1 foot or less, then around 2 ft
after midnight. Wave Detail: S 1 foot at 4 seconds and NE 1 foot
at 5 seconds, becoming S 1 foot at 3 seconds and E 1 foot at
5 seconds.
.FRI...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
5 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW
1 foot at 2 seconds and E 1 foot at 5 seconds.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...N winds 10 kt. Seas 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 ft.

$$

AMZ352-192200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
440 AM EST Wed Nov 19 2025

.TODAY...W winds 5 to 10 kt, becoming SW late. Seas 2 ft. Wave
Detail: SE 2 ft at 5 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 ft. Wave Detail: SE 2 ft at 5 seconds.
.THU...NW winds 5 kt, becoming E in the afternoon. Seas 1 foot or
less. Wave Detail: SE 1 foot at 5 seconds.
.THU NIGHT...SE winds 5 kt. Seas 1 foot or less. Wave Detail: S
1 foot at 3 seconds and E 1 foot at 6 seconds.
.FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S
1 foot at 2 seconds and SE 1 foot at 7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S
1 foot at 3 seconds and E 1 foot at 6 seconds.
.SAT...SW winds 10 kt. Seas 2 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 ft.
.SUN...N winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.

$$

AMZ354-192200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
440 AM EST Wed Nov 19 2025

.TODAY...W winds 5 to 10 kt, becoming SW late. Seas 2 ft. Wave
Detail: E 2 ft at 6 seconds and SW 1 foot at 3 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 ft. Wave Detail: SE 2 ft at 5 seconds.
.THU...NW winds 5 kt, becoming S in the afternoon. Seas 1 to
2 ft. Wave Detail: S 1 foot at 3 seconds and E 1 foot at
6 seconds, becoming E 1 foot at 6 seconds.
.THU NIGHT...S winds 5 kt. Seas 1 foot or less. Wave Detail: SE
1 foot at 6 seconds.
.FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE
1 foot at 7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less, then
around 2 ft after midnight. Wave Detail: S 1 foot at 3 seconds
and E 1 foot at 7 seconds, becoming S 1 foot at 3 seconds and E
1 foot at 6 seconds.
.SAT...SW winds 10 kt. Seas 2 ft.
.SAT NIGHT...SW winds 10 kt. Seas 2 ft.
.SUN...N winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.

$$

AMZ374-192200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
440 AM EST Wed Nov 19 2025

.TODAY...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and E 2 ft at 7 seconds.
.TONIGHT...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds and S 1 foot at 4 seconds.
.THU...NW winds 5 to 10 kt. Seas 2 ft. Wave Detail: W 1 foot at
3 seconds and E 1 foot at 7 seconds.
.THU NIGHT...E winds 5 kt, becoming S after midnight. Seas 2 ft
in the evening, then 1 foot or less. Wave Detail: SW 1 foot at
2 seconds and E 1 foot at 7 seconds, becoming E 1 foot at
7 seconds and E 1 foot at 13 seconds.
.FRI...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: S 1 foot at 2 seconds and E 1 foot
at 7 seconds, becoming S 1 foot at 3 seconds and E 1 foot at
7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 3 seconds and NE 1 foot at 6 seconds.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...NW winds 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...E winds 10 kt. Seas 2 ft.

$$