080
FZUS52 KCHS 242140
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
439 PM EST Mon Nov 24 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

AMZ300-251000-
439 PM EST Mon Nov 24 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through Tuesday, then a strong cold
front will sweep through late Wednesday. High pressure will usher
in colder weather Thursday through the weekend.

$$

AMZ330-251000-
Charleston Harbor-
439 PM EST Mon Nov 24 2025

.TONIGHT...E winds 5 to 10 kt, becoming 5 kt late.
.TUE...SE winds 5 to 10 kt. A slight chance of showers.
.TUE NIGHT...S winds 5 to 10 kt.
.WED...SW winds 10 to 15 kt.
.WED NIGHT...W winds 10 kt, becoming NW after midnight.
.THU...NW winds 10 kt.
.THU NIGHT...NW winds 5 to 10 kt.
.FRI...N winds 10 kt.
.FRI NIGHT...N winds 5 to 10 kt.
.SAT...NE winds 10 to 15 kt.
.SAT NIGHT...NE winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 64 degrees.

$$

AMZ350-251000-
Waters from South Santee River to Edisto Beach SC out 20 NM-
439 PM EST Mon Nov 24 2025

.TONIGHT...E winds 10 to 15 kt, becoming SE late. Seas 2 to 3 ft.
Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 9 seconds.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 5 seconds. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 3 ft. Wave Detail: SE 3 ft at 6 seconds.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 6 seconds.
.WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at
7 seconds.
.THU...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft
at 4 seconds and E 2 ft at 7 seconds.
.THU NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft.
.FRI...N winds 15 to 20 kt. Seas 2 to 3 ft.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...NE winds 15 kt. Seas 3 ft.
.SAT NIGHT...NE winds 15 kt. Seas 3 to 4 ft.

$$

AMZ352-251000-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
439 PM EST Mon Nov 24 2025

.TONIGHT...E winds 10 kt, becoming SE late. Seas 2 ft. Wave
Detail: E 2 ft at 5 seconds and SE 1 foot at 9 seconds.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 5 seconds and SE 1 foot at 9 seconds. A slight chance of
showers in the morning.
.TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds.
.WED...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at
6 seconds.
.WED NIGHT...W winds 10 to 15 kt, becoming NW with gusts to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds
and E 2 ft at 7 seconds.
.THU...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft
at 4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft.
.FRI...N winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT...NE winds 15 kt. Seas 3 ft.
.SAT NIGHT...NE winds 15 kt. Seas 3 to 4 ft.

$$

AMZ354-251000-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
439 PM EST Mon Nov 24 2025

.TONIGHT...E winds 10 kt, becoming SE late. Seas 2 ft. Wave
Detail: E 2 ft at 5 seconds and SE 1 foot at 9 seconds.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and SE 1 foot at 9 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 6 seconds.
.WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds.
.WED NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 3 seconds and E
2 ft at 7 seconds.
.THU...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and
E 2 ft at 8 seconds.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 2 to
3 ft, building to 3 to 4 ft after midnight.
.FRI...N winds 15 to 20 kt. Seas 3 to 4 ft.
.FRI NIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 4 ft.

$$

AMZ374-251000-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
439 PM EST Mon Nov 24 2025

.TONIGHT...E winds 10 to 15 kt, becoming SE late. Seas 2 to 3 ft.
Wave Detail: NE 3 ft at 6 seconds and SE 1 foot at 9 seconds. A
slight chance of showers late.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
6 seconds and SE 1 foot at 9 seconds. A slight chance of showers
in the morning.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 6 seconds and S 2 ft at 4 seconds.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 7 seconds.
.WED NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and E
2 ft at 8 seconds. A slight chance of showers in the evening.
.THU...NW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft
at 4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight.
.FRI...N winds 15 to 20 kt. Seas 4 to 5 ft.
.FRI NIGHT...NE winds 15 kt. Seas 3 to 4 ft.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 5 ft.

$$