837
FZUS52 KCHS 231726
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1226 PM EST Sun Nov 23 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

AMZ300-240615-
1226 PM EST Sun Nov 23 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 and dry weather is
expected to return for Thanksgiving through late week.

$$

AMZ330-240615-
Charleston Harbor-
1226 PM EST Sun Nov 23 2025

.THIS AFTERNOON...E winds 10 kt.
.TONIGHT...NE winds 5 kt.
.MON...NE winds 5 to 10 kt.
.MON NIGHT...NE winds 10 kt, becoming E after midnight.
.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 kt.
.WED NIGHT...W winds 5 to 10 kt.
.THU...NW winds 10 kt.
.THU NIGHT...NW winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 64 degrees.

$$

AMZ350-240615-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1226 PM EST Sun Nov 23 2025

.THIS AFTERNOON...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: S
2 ft at 5 seconds and NE 2 ft at 5 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 6 seconds and SW 1 foot at 5 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 5 seconds.
.MON NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 5 seconds.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 5 seconds. A slight chance of showers.
.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. Seas 3 ft.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 ft. A slight chance of
showers.
.THU...N winds 15 to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ352-240615-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1226 PM EST Sun Nov 23 2025

.THIS AFTERNOON...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW
2 ft at 4 seconds and NE 1 foot at 8 seconds.
.TONIGHT...NE winds 5 to 10 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.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 5 seconds.
.MON NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 5 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 6 seconds.
.WED...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers.
.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.

$$

AMZ354-240615-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1226 PM EST Sun Nov 23 2025

.THIS AFTERNOON...NE winds 10 kt. Seas 2 ft. Wave Detail: SW
1 foot at 4 seconds and NE 1 foot at 8 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 4 seconds and S 1 foot at 4 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 5 seconds.
.MON NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds. A
slight chance of showers after midnight.
.TUE...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
5 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 6 seconds.
.WED...SW winds 10 kt. Seas 2 to 3 ft.
.WED NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. A slight
chance of showers.
.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.

$$

AMZ374-240615-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1226 PM EST Sun Nov 23 2025

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 2 ft. Wave Detail:
NW 2 ft at 4 seconds and NE 2 ft at 8 seconds.
.TONIGHT...NE winds 10 to 15 kt. Seas 2 ft. Wave Detail: NE 2 ft
at 4 seconds and SW 1 foot at 4 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 5 seconds.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 6 seconds. A slight chance of showers after midnight.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
6 seconds. A slight chance of showers.
.TUE NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 6 seconds.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance
of showers and tstms.
.THU...NW winds 15 to 20 kt. Seas 4 to 5 ft.
.THU NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$