Station List

National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 060535
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1234 AM EST Sat Dec 6 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

AMZ300-061800
1234 AM EST Sat Dec 6 2025

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A frontal system will maintain unsettled weather through early next week, then cold high pressure will build in. A reinforcing cold front will move through late next week.

AMZ330-061800
Charleston Harbor
1234 AM EST Sat Dec 6 2025

REST OF TONIGHT
N winds 5 kt. Showers likely. Patchy fog.

SAT
NW winds 5 to 10 kt. Patchy fog in the morning. Showers. Vsby 1 to 3 NM in the afternoon.

SAT NIGHT
W winds 5 kt, becoming N after midnight. A chance of showers in the evening.

SUN
N winds 5 to 10 kt. A slight chance of showers in the morning, then a chance of showers in the afternoon.

SUN NIGHT
N winds 5 to 10 kt. A slight chance of showers in the evening, then a chance of showers after midnight.

MON
N winds 10 to 15 kt. A chance of showers, mainly in the morning.

MON NIGHT
N winds 15 kt with gusts to 20 kt.

TUE
N winds 5 to 10 kt.

TUE NIGHT
NW winds 5 kt.

WED
W winds 10 to 15 kt.

WED NIGHT
W winds 10 to 15 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 58 degrees.

AMZ350-061800
Waters from South Santee River to Edisto Beach SC out 20 NM
1234 AM EST Sat Dec 6 2025

REST OF TONIGHT
NW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 6 seconds and E 2 ft at 10 seconds. Showers likely, then a chance of showers late. Patchy fog.

SAT
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at 10 seconds. Showers. Vsby 1 to 3 NM in the afternoon.

SAT NIGHT
NW winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 10 seconds and NE 1 foot at 4 seconds. Showers likely, mainly in the evening. Vsby 1 to 3 NM after midnight.

SUN
NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and S 1 foot at 5 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon.

SUN NIGHT
N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds. A chance of showers.

MON
N winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: NE 3 ft at 4 seconds and SE 2 ft at 9 seconds, becoming NE 4 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers.

MON NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft, building to 5 to 7 ft after midnight.

TUE
N winds 10 to 15 kt. Seas 4 to 6 ft.

TUE NIGHT
NW winds 5 kt. Seas 3 to 4 ft.

WED
W winds 10 to 15 kt. Seas 3 to 4 ft.

WED NIGHT
W winds 15 to 20 kt. Seas 3 to 4 ft.

AMZ352-061800
Waters from Edisto Beach SC to Savannah GA out 20 NM
1234 AM EST Sat Dec 6 2025

REST OF TONIGHT
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 10 seconds. Patchy fog. A chance of showers.

SAT
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 10 seconds. A chance of showers in the morning, then showers in the afternoon with vsby 1 to 3 NM.

SAT NIGHT
NW winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 10 seconds and NE 1 foot at 4 seconds. Showers likely, mainly in the evening. Vsby 1 to 3 NM after midnight.

SUN
NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. A chance of showers.

SUN NIGHT
N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds. A chance of showers.

MON
N winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: NE 2 ft at 3 seconds and E 2 ft at 9 seconds, becoming NE 3 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers, mainly in the morning.

MON NIGHT
N winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight.

TUE
N winds 10 to 15 kt. Seas 4 to 5 ft.

TUE NIGHT
N winds 5 kt. Seas 3 to 4 ft.

WED
W winds 5 to 10 kt. Seas 3 ft.

WED NIGHT
W winds 10 to 15 kt. Seas 3 to 4 ft.

AMZ354-061800
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary
1234 AM EST Sat Dec 6 2025

REST OF TONIGHT
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 10 seconds. A chance of showers.

SAT
NW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 10 seconds and NW 1 foot at 2 seconds. A chance of showers in the morning, then showers in the afternoon with vsby 1 to 3 NM.

SAT NIGHT
N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 10 seconds and NW 1 foot at 2 seconds. Showers likely, mainly in the evening. Vsby 1 to 3 NM.

SUN
NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 10 seconds. A chance of showers in the morning, then showers likely in the afternoon.

SUN NIGHT
N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds. A chance of showers.

MON
N winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. Wave Detail: NE 2 ft at 3 seconds and E 2 ft at 9 seconds, becoming NE 2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers, mainly in the morning.

MON NIGHT
N winds 15 to 20 kt. Seas 3 to 4 ft.

TUE
NE winds 15 to 20 kt. Seas 3 to 4 ft.

TUE NIGHT
N winds 5 to 10 kt. Seas 3 to 4 ft.

WED
W winds 5 to 10 kt. Seas 3 ft.

WED NIGHT
W winds 10 to 15 kt. Seas 3 to 4 ft.

AMZ374-061800
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
1234 AM EST Sat Dec 6 2025

REST OF TONIGHT
NW winds 5 to 10 kt. Seas 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 10 seconds. A slight chance of showers.

SAT
NW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 10 seconds. A chance of showers in the morning, then showers in the afternoon with vsby 1 to 3 NM.

SAT NIGHT
N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and NW 2 ft at 3 seconds. Showers, mainly in the evening. Vsby 1 to 3 NM.

SUN
NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. Showers likely.

SUN NIGHT
N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. Wave Detail: E 3 ft at 9 seconds. A chance of showers.

MON
N winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. Wave Detail: E 3 ft at 9 seconds and NE 2 ft at 4 seconds, becoming NE 3 ft at 4 seconds and E 3 ft at 9 seconds. A chance of showers, mainly in the morning.

MON NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft, building to 5 to 6 ft after midnight.

TUE
N winds 15 to 20 kt. Seas 4 to 6 ft.

TUE NIGHT
N winds 5 to 10 kt. Seas 4 to 5 ft.

WED
W winds 5 to 10 kt. Seas 4 to 5 ft.

WED NIGHT
W winds 10 to 15 kt. Seas 4 to 6 ft.