Chart / Forecasts

Charleston Harbor

AMZ340 · Coastal Waters Forecast · National Weather Service Charleston SC · Issued 224 PM EDT Sat Oct 3 2026
Spoken by your device's own voice. Nothing is sent anywhere.
Forecast
This Afternoon
SE winds 5 to 10 kt. A chance of tstms. Showers likely early, then a chance of showers late.
Tonight
S winds 5 kt. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.
Sun
SW winds 5 kt, becoming SE in the afternoon. Showers likely with a slight chance of tstms in the morning, then showers with a chance of tstms in the afternoon.
Sun Night
W winds 5 kt, becoming N after midnight. Showers with a chance of tstms.
Mon
NE winds 5 to 10 kt. Showers with a slight chance of tstms.
Mon Night
NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves 1 to 2 ft. Showers likely, mainly in the evening.
Tue
NE winds 20 to 25 kt. Waves 2 to 3 ft. A chance of showers.
Tue Night
NE winds 20 to 25 kt. Waves 2 to 3 ft.
Wed
NE winds 15 to 20 kt. Waves 1 to 2 ft. A slight chance of showers.
Wed Night
NE winds 10 to 15 kt. Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 80 degrees.
Source: National Weather Service Coastal Waters Forecast (CWF), issued 224 PM EDT Sat Oct 3 2026, valid until Sun, 04 Oct 2026 08:00 UTC. Original text · All zones