Callawassie Island, SC - South, Colleton River Coastal Forecast

FZUS52 KCHS 260940
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
440 AM EST Fri Dec 26 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

AMZ300-262200-
440 AM EST Fri Dec 26 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the remainder of the holiday
week. A cold front will move through the area early next week.

$$

AMZ330-262200-
Charleston Harbor-
440 AM EST Fri Dec 26 2025

.TODAY...NW winds 5 kt, becoming NE late this morning.
.TONIGHT...S winds 5 kt, becoming SW after midnight.
.SAT...W winds 5 kt.
.SAT NIGHT...E winds 5 kt.
.SUN...E winds 5 kt.
.SUN NIGHT...SW winds 5 to 10 kt.
.MON...SW winds 10 to 15 kt.
.MON NIGHT...NW winds 10 to 15 kt.
.TUE...N winds 5 to 10 kt.
.TUE NIGHT...NW winds 5 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 55 degrees.

$$

AMZ350-262200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
440 AM EST Fri Dec 26 2025

.TODAY...N winds 5 to 10 kt, becoming NE this afternoon. Seas
2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
3 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
Wave Detail: E 3 ft at 9 seconds and SW 1 foot at 4 seconds,
becoming E 3 ft at 9 seconds and SW 2 ft at 4 seconds.
.SAT...W winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft
in the afternoon. Wave Detail: E 3 ft at 10 seconds and SW 2 ft
at 5 seconds, becoming SW 2 ft at 5 seconds and E 2 ft at
10 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 5 seconds and E 2 ft at 10 seconds.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
10 seconds and S 1 foot at 4 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and SW 2 ft at 4 seconds.
.MON...SW winds 20 to 25 kt. Seas 4 to 6 ft. A slight chance of
rain.
.MON NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft. A slight
chance of rain.
.TUE...N winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...NW winds 10 kt. Seas 2 ft.

$$

AMZ352-262200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
440 AM EST Fri Dec 26 2025

.TODAY...W winds 5 to 10 kt, becoming S late. Seas 2 to 3 ft.
Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E
2 ft at 9 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and E 2 ft at 9 seconds.
.SAT NIGHT...S winds 5 kt, becoming SE after midnight. Seas 2 to
3 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds.
.SUN...SE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at
10 seconds and S 1 foot at 3 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E
2 ft at 10 seconds.
.MON...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain.
.MON NIGHT...NW winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of rain.
.TUE...N winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Seas 2 ft.

$$

AMZ354-262200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
440 AM EST Fri Dec 26 2025

.TODAY...W winds 5 to 10 kt, becoming S late. Seas 2 to 3 ft.
Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 3 seconds and E 2 ft at 9 seconds.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 3 seconds and E 2 ft at 10 seconds.
.SAT NIGHT...SW winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 12 seconds and SW 1 foot at 3 seconds.
.SUN...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
11 seconds and SW 1 foot at 3 seconds.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Seas 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft
at 11 seconds.
.MON...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of rain.
.MON NIGHT...NW winds 20 to 25 kt. Seas 3 to 4 ft. A slight
chance of rain.
.TUE...NW winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 2 ft.

$$

AMZ374-262200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
440 AM EST Fri Dec 26 2025

.TODAY...W winds 5 to 10 kt, becoming SW late. Seas 3 to 4 ft.
Wave Detail: E 3 ft at 8 seconds and W 2 ft at 3 seconds.
.TONIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 4 seconds and E 3 ft at 9 seconds.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 4 seconds and E 3 ft at 10 seconds.
.SAT NIGHT...W winds 5 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft
after midnight. Wave Detail: E 3 ft at 11 seconds and SW 2 ft at
4 seconds, becoming E 3 ft at 11 seconds and SW 1 foot at
3 seconds.
.SUN...N winds 5 kt, becoming SW in the afternoon. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds. A slight chance of rain
in the afternoon.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to
4 ft after midnight. Wave Detail: E 2 ft at 11 seconds and SW
1 foot at 2 seconds, becoming SW 3 ft at 4 seconds and E 3 ft at
10 seconds.
.MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of
rain.
.MON NIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft. A slight
chance of rain.
.TUE...N winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.

$$