National Data Buoy Center NWS Marine Forecast (2025)

FZUS52 KCHS 111944
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
344 PM EDT Fri Oct 11 2024

South Santee River SC to Savannah GA out 20 NM and Savannah GA toAltamaha Sound GA out 60 NM, including Charleston Harbor andGrays Reef National Marine Sanctuary

AMZ300-120830
344 PM EDT Fri Oct 11 2024

.Synopsis for the coastal waters of south coastal South Carolinaand north coastal Georgia...High pressure will prevail through the weekend. A strong coldfront will push through the area early next week, followed bymore high pressure through late next week.

AMZ330-120830
Charleston Harbor
344 PM EDT Fri Oct 11 2024

TONIGHT
N winds 5 to 10 kt.

SAT
N winds 5 kt, becoming E in the afternoon.

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

SUN
W winds 5 kt, becoming SW in the afternoon.

SUN NIGHT
SW winds 10 kt.

MON
SW winds 10 to 15 kt with gusts to 20 kt.

MON NIGHT
W winds 10 to 15 kt with gusts to 20 kt, becoming Nafter midnight.

TUE
N winds 10 to 15 kt.

TUE NIGHT
N winds 10 to 15 kt.

WED
N winds 10 to 15 kt.

WED NIGHT
N winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 74 degrees.

AMZ350-120830
Waters from South Santee River to Edisto Beach SC out 20 NM
344 PM EDT Fri Oct 11 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TONIGHT
NE winds 10 to 15 kt with gusts to around 20 kt,diminishing to 5 to 10 kt after midnight. Seas 4 to 5 ft,subsiding to 3 to 4 ft after midnight. Wave Detail: E 5 ft at 10seconds, becoming E 4 ft at 10 seconds.

SAT
NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ftat 10 seconds.

SAT NIGHT
S winds 5 kt, becoming W after midnight. Seas 2 to3 ft. Wave Detail: E 3 ft at 10 seconds.

SUN
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas2 to 3 ft. Wave Detail: E 3 ft at 12 seconds.

SUN NIGHT
SW winds 10 to 15 kt, increasing to 15 to 20 ktafter midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 secondsand E 3 ft at 11 seconds.

MON
SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ftat 5 seconds and E 3 ft at 11 seconds.

MON NIGHT
W winds 15 kt, becoming N after midnight. Seas 3 to4 ft.

TUE
N winds 10 to 15 kt. Seas 2 to 3 ft.

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

WED
N winds 15 to 20 kt. Seas 3 to 4 ft.

WED NIGHT
N winds 10 to 15 kt. Seas 2 to 3 ft.

AMZ352-120830
Waters from Edisto Beach SC to Savannah GA out 20 NM
344 PM EDT Fri Oct 11 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TONIGHT
NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to3 to 4 ft after midnight. Wave Detail: E 5 ft at 11 seconds,becoming E 4 ft at 10 seconds.

SAT
NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ftat 10 seconds.

SAT NIGHT
Variable winds 5 kt. Seas 2 to 3 ft. Wave Detail: E3 ft at 10 seconds.

SUN
NW winds 5 kt, becoming SW in the afternoon. Seas 2 to3 ft. Wave Detail: E 3 ft at 12 seconds.

SUN NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:SW 3 ft at 4 seconds and E 3 ft at 12 seconds.

MON
SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 11 seconds.

MON NIGHT
W winds 10 to 15 kt, becoming N after midnight. Seas2 to 3 ft.

TUE
N winds 10 to 15 kt. Seas 2 to 3 ft.

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

WED
N winds 15 to 20 kt. Seas 3 to 4 ft.

WED NIGHT
N winds 10 to 15 kt. Seas 2 to 3 ft.

AMZ354-120830
Waters from Savannah GA to Altamaha Sound GA out 20 NM, includingGrays Reef National Marine Sanctuary
344 PM EDT Fri Oct 11 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING

TONIGHT
NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 6ft subsiding to 4 to 5 ft. Wave Detail: E 5 ft at 11 seconds.

SAT
NE winds 10 to 15 kt, diminishing to 5 to 10 kt in theafternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 11 seconds.

SAT NIGHT
NE winds 5 to 10 kt, becoming NW after midnight.Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. WaveDetail: E 4 ft at 10 seconds, becoming E 3 ft at 11 seconds.

SUN
NW winds 5 kt, becoming W in the afternoon. Seas 2 to3 ft. Wave Detail: E 3 ft at 12 seconds.

SUN NIGHT
S winds 5 to 10 kt, becoming SW 10 to 15 kt aftermidnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 12 seconds andSW 2 ft at 3 seconds.

MON
SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ftat 11 seconds and SW 2 ft at 4 seconds.

MON NIGHT
W winds 10 to 15 kt, becoming NW with gusts to 20 ktafter midnight. Seas 2 to 3 ft.

TUE
N winds 10 to 15 kt. Seas 2 to 3 ft.

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

WED
N winds 15 to 20 kt. Seas 3 to 4 ft.

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

AMZ374-120830
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
344 PM EDT Fri Oct 11 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON

TONIGHT
NE winds 10 to 15 kt with gusts to 20 kt. Seas 6 to 8ft, subsiding to 5 to 7 ft after midnight. Wave Detail: E 8 ft at11 seconds, becoming E 7 ft at 11 seconds.

SAT
NE winds 10 to 15 kt, diminishing to 5 to 10 kt in theafternoon. Seas 4 to 6 ft, subsiding to 4 to 5 ft in theafternoon. Wave Detail: E 6 ft at 10 seconds, becoming E 5 ft at10 seconds. A slight chance of showers in the afternoon.

SAT NIGHT
NE winds 5 to 10 kt. Seas 4 to 5 ft, subsiding to3 to 4 ft after midnight. Wave Detail: E 5 ft at 10 seconds,becoming E 4 ft at 12 seconds.

SUN
NW winds 5 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at11 seconds.

SUN NIGHT
SW winds 5 to 10 kt, increasing to 10 to 15 kt aftermidnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 12 seconds andSW 2 ft at 3 seconds.

MON
W winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.Wave Detail: W 4 ft at 4 seconds and E 4 ft at 11 seconds.

MON NIGHT
SW winds 10 to 15 kt, becoming NW after midnight.Seas 3 to 4 ft.

TUE
N winds 10 to 15 kt. Seas 3 ft.

TUE NIGHT
N winds 15 to 20 kt. Seas 4 to 5 ft.

WED
N winds 15 to 20 kt. Seas 4 to 5 ft.

WED NIGHT
N winds 10 to 15 kt. Seas 4 to 5 ft.

National Data Buoy Center NWS Marine Forecast (2025)
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