794
FZUS52 KCHS 222140
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
439 PM EST Sat Nov 22 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

AMZ300-231000-
439 PM EST Sat Nov 22 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A dry cold front will move rapidly across the area tonight,
followed by the return of high pressure through early next week.
Another cold front is expected to impact the area mid week. High
pressure and dry weather is expected for Thanksgiving.

$$

AMZ330-231000-
Charleston Harbor-
439 PM EST Sat Nov 22 2025

.TONIGHT...SW winds 5 to 10 kt, becoming W late.
.SUN...N winds 5 kt.
.SUN NIGHT...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.
.TUE NIGHT...S winds 5 to 10 kt.
.WED...SW winds 10 kt.
.WED NIGHT...W winds 10 kt. A chance of showers.
.THU...NW winds 10 kt.
.THU NIGHT...N winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 64 degrees.

$$

AMZ350-231000-
Waters from South Santee River to Edisto Beach SC out 20 NM-
439 PM EST Sat Nov 22 2025

.TONIGHT...SW winds 10 to 15 kt, becoming W late. Seas 2 to 3 ft.
Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 7 seconds.
.SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 ft. Wave Detail: SW 2 ft at 5 seconds and N 1 foot at
3 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE
1 foot at 3 seconds and SW 1 foot at 5 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 4 seconds and SW 1 foot at 4 seconds.
.MON NIGHT...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 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at
5 seconds and SE 2 ft at 8 seconds. A slight chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 ft. A slight chance of
showers and tstms in the evening.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.
.THU...NW winds 15 to 20 kt. Seas 3 to 4 ft.
.THU NIGHT...N winds 15 to 20 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-231000-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
439 PM EST Sat Nov 22 2025

.TONIGHT...SW winds 10 kt, becoming W late. Seas 2 ft. Wave
Detail: SW 2 ft at 4 seconds and E 1 foot at 7 seconds.
.SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at
7 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less, then
around 2 ft after midnight. Wave Detail: NE 1 foot at 3 seconds
and S 1 foot at 4 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 3 seconds and SE 1 foot at 9 seconds.
.MON NIGHT...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. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds. A slight chance of showers in the morning.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...SW winds 10 kt. Seas 3 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers.
.THU...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.THU NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft.

$$

AMZ354-231000-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
439 PM EST Sat Nov 22 2025

.TONIGHT...SW winds 10 kt, becoming W late. Seas 2 ft. Wave
Detail: S 2 ft at 4 seconds and NE 1 foot at 5 seconds.
.SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at
7 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less, then
around 2 ft after midnight. Wave Detail: NE 1 foot at 4 seconds
and S 1 foot at 4 seconds, becoming NE 1 foot at 3 seconds and SE
1 foot at 9 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 4 seconds and SE 1 foot at 9 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 2 ft at 4 seconds and SE
1 foot at 9 seconds.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 5 seconds and SE 1 foot at 9 seconds.
.TUE NIGHT...S winds 10 kt. Seas 2 to 3 ft.
.WED...SW winds 10 kt. Seas 3 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers.
.THU...NW winds 15 kt. Seas 3 to 4 ft.
.THU NIGHT...N winds 15 to 20 kt. Seas 3 to 4 ft.

$$

AMZ374-231000-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
439 PM EST Sat Nov 22 2025

.TONIGHT...SW winds 10 to 15 kt, becoming W late. Seas 2 to 3 ft.
Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 7 seconds.
.SUN...NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E
1 foot at 7 seconds.
.SUN NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 ft. Wave Detail: NE 2 ft at 3 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 and SE 1 foot at 9 seconds.
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 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. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 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 3 to 4 ft.
.WED...SW winds 10 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 4 to 5 ft.

Winds and seas higher in and near tstms.

$$