459
FZUS52 KCHS 240841
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
341 AM 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

AMZ300-242115-
341 AM EST Mon Nov 24 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail early this week, before a cold front
impacts the area mid week. High pressure is expected to return
for Thanksgiving and into the weekend.

$$

AMZ330-242115-
Charleston Harbor-
341 AM EST Mon Nov 24 2025

.TODAY...NE winds 5 kt, increasing to 10 kt late this morning.
Patchy fog early this morning.
.TONIGHT...E winds 5 to 10 kt.
.TUE...SE winds 5 to 10 kt. A slight chance of showers in the
morning.
.TUE NIGHT...S winds 5 to 10 kt.
.WED...SW winds 10 to 15 kt.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight.
.THU...NW winds 5 to 10 kt.
.THU NIGHT...NW winds 5 to 10 kt.
.FRI...N winds 5 to 10 kt.
.FRI NIGHT...NE winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 63 degrees.

$$

AMZ350-242115-
Waters from South Santee River to Edisto Beach SC out 20 NM-
341 AM EST Mon Nov 24 2025

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

Winds and seas higher in and near tstms.

$$

AMZ352-242115-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
341 AM EST Mon Nov 24 2025

.TODAY...NE winds 10 to 15 kt. Seas 1 to 2 ft, building to 2 to
3 ft. Wave Detail: E 2 ft at 4 seconds and SE 1 foot at 9
seconds.
.TONIGHT...E winds 10 to 15 kt. 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, becoming S in the afternoon. 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. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.WED...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
6 seconds. A slight chance of showers in the afternoon.
.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. A slight chance of showers in the
evening.
.THU...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 10 to 15 kt. 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.

$$

AMZ354-242115-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
341 AM EST Mon Nov 24 2025

.TODAY...NE winds 10 to 15 kt. Seas 1 to 2 ft. Wave Detail: E 2
ft at 4 seconds and SE 1 foot at 9 seconds.
.TONIGHT...E winds 10 kt. Seas 1 to 2 ft. Wave Detail: E 2 ft at
5 seconds and SE 1 foot at 9 seconds.
.TUE...S 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.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 7 seconds.
.WED...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
6 seconds and E 1 foot at 9 seconds. A slight chance of showers
in the afternoon.
.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
SE 2 ft at 7 seconds.
.THU...NW winds 15 to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft.
.FRI...N winds 15 to 20 kt. Seas 2 to 3 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ374-242115-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
341 AM EST Mon Nov 24 2025

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

Winds and seas higher in and near tstms.

$$