| NWS Forecast for: Charleston Harbor (AMZ330) Issued by: National Weather Service Charleston, SC Last Update: 509 AM EDT Thu Sep 18 2025 | |
| Today: W winds 5 kt, becoming S 10 to 15 kt with gusts to 20 kt this afternoon. Tonight: SE winds 5 to 10 kt, diminishing to 5 kt after midnight. Fri: NE winds 5 kt, becoming E in the afternoon. Fri Night: E winds 5 to 10 kt. Sat: NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts to 20 kt in the afternoon. Sat Night: NE winds 10 to 15 kt with gusts to 20 kt. Sun: NE winds 15 to 20 kt. Waves 1 to 2 ft. A slight chance of showers and tstms. Sun Night: NE winds 15 to 20 kt. Waves 1 to 2 ft. Mon: NE winds 10 to 15 kt. A slight chance of showers and tstms. Mon Night: NE winds 10 to 15 kt. A slight chance of showers and tstms. winds and waves higher in and near tstms. unless otherwise noted, waves 1 foot or less. charleston harbor water temperature 77 degrees. | |
| Zone Forecast: Charleston Harbor (AMZ330) | |
Visit your local NWS office at: https://www.weather.gov/chs |