Charleston Harbor Weather
Overnight
64°F
Cloudy
16 mph NE
Sunday
71°F
Mostly Cloudy
16 to 21 mph NE
Sunday Night
65°F
Mostly Cloudy then Slight Chance Rain Showers
14 to 20 mph NE
Monday
73°F
Mostly Sunny
15 to 20 mph NE
Monday Night
66°F
Partly Cloudy
12 to 16 mph NE
Tuesday
75°F
Mostly Sunny
12 to 17 mph NE
Tuesday Night
69°F
Partly Cloudy
8 to 14 mph NE
Wednesday
76°F
Slight Chance Rain Showers
8 to 13 mph E
Wednesday Night
69°F
Chance Rain Showers
5 to 10 mph E
Thursday
76°F
Chance Rain Showers
5 to 8 mph E
Thursday Night
66°F
Chance Showers And Thunderstorms then Partly Cloudy
6 mph NE
Friday
76°F
Mostly Sunny
3 to 7 mph W
Friday Night
63°F
Partly Cloudy
6 mph W
Saturday
74°F
Mostly Sunny
6 mph NW
Marine weather for Charleston Harbor, the Cooper River, the Ashley River, the Wando River, the Stono River, Wappoo Cut, the Intracoastal Waterway, and the Charleston jetties — Charleston, the Battery, Charleston City Marina, Patriots Point, Fort Sumter, the Ravenel Bridge, Mount Pleasant, Shem Creek, Daniel Island, Sullivan's Island, Breach Inlet, Isle of Palms, James Island, Johns Island, Folly Beach, and the Folly River, South Carolina. Wind, tides, and conditions for boating, sailing, fishing, cruising, kayaking, paddleboarding, windsurfing, kiteboarding, and wing foiling.