Station List

National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 240942
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
441 AM EST Wed Dec 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

AMZ300-242200
441 AM EST Wed Dec 24 2025

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

AMZ330-242200
Charleston Harbor
441 AM EST Wed Dec 24 2025

TODAY
NW winds 5 kt, becoming NE late.

TONIGHT
E winds 5 kt.

THU
S winds 5 kt, becoming SW in the afternoon.

THU NIGHT
W winds 5 kt.

FRI
N winds 5 kt, becoming NE in the afternoon.

FRI NIGHT
S winds 5 kt, becoming W after midnight.

SAT
W winds 5 to 10 kt.

SAT NIGHT
W winds 5 kt.

SUN
SW winds 5 to 10 kt.

SUN NIGHT
SW winds 10 to 15 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 55 degrees.

AMZ350-242200
Waters from South Santee River to Edisto Beach SC out 20 NM
441 AM EST Wed Dec 24 2025

TODAY
NW winds 5 to 10 kt, becoming E late. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and E 2 ft at 9 seconds.

TONIGHT
E winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds and S 1 foot at 4 seconds.

THU
S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 9 seconds.

THU NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds.

FRI
NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 4 seconds.

FRI NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 2 ft at 4 seconds.

SAT
W winds 10 kt. Seas 3 to 4 ft.

SAT NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft.

SUN
SW winds 10 to 15 kt. Seas 2 to 3 ft.

SUN NIGHT
SW winds 15 to 20 kt. Seas 3 to 4 ft.

AMZ352-242200
Waters from Edisto Beach SC to Savannah GA out 20 NM
441 AM EST Wed Dec 24 2025

TODAY
NW winds 5 to 10 kt, becoming SW late. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and W 1 foot at 2 seconds.

TONIGHT
E winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds.

THU
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at 2 seconds.

THU NIGHT
W winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.

FRI
NW winds 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.

FRI NIGHT
S winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 9 seconds.

SAT
SW winds 10 kt. Seas 2 to 3 ft.

SAT NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft.

SUN
SW winds 5 to 10 kt. Seas 2 ft.

SUN NIGHT
SW winds 15 to 20 kt. Seas 3 to 4 ft.

AMZ354-242200
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary
441 AM EST Wed Dec 24 2025

TODAY
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.

TONIGHT
SE winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.

THU
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 2 seconds.

THU NIGHT
W winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.

FRI
W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.

FRI NIGHT
SW winds 10 kt, becoming W after midnight. Seas 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 9 seconds.

SAT
SW winds 10 kt. Seas 2 to 3 ft.

SAT NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft.

SUN
SW winds 5 to 10 kt. Seas 2 to 3 ft.

SUN NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft.

AMZ374-242200
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
441 AM EST Wed Dec 24 2025

TODAY
NW winds 10 to 15 kt, diminishing to 5 to 10 kt this afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds.

TONIGHT
E winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.

THU
NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and W 1 foot at 2 seconds.

THU NIGHT
W winds 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 9 seconds, becoming E 3 ft at 9 seconds and SW 2 ft at 3 seconds.

FRI
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 8 seconds and W 2 ft at 3 seconds, becoming E 3 ft at 9 seconds and W 2 ft at 3 seconds.

FRI NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 9 seconds, becoming SW 3 ft at 4 seconds and E 3 ft at 9 seconds.

SAT
W winds 10 to 15 kt. Seas 4 to 5 ft.

SAT NIGHT
W winds 10 kt. Seas 3 to 4 ft.

SUN
W winds 10 kt. Seas 2 to 3 ft.

SUN NIGHT
SW winds 15 to 20 kt. Seas 4 to 5 ft.