| NWS Forecast for: Charleston Harbor (AMZ330) Issued by: National Weather Service Charleston, SC Last Update: 719 AM EDT Wed Mar 18 2026 | |
| Today: NE winds 5 to 10 kt. Tonight: NE winds 5 kt. Thu: NE winds 5 to 10 kt. Thu Night: E winds 5 kt in the evening, becoming light and variable. Fri: Variable winds 5 kt. Fri Night: S winds 5 kt. Sat: SW winds 5 to 10 kt. Sat Night: SW winds 5 to 10 kt. Sun: SW winds 5 to 10 kt. Sun Night: SW winds 10 kt. unless otherwise noted, waves 1 foot or less. charleston harbor water temperature 60 degrees. | |
| Zone Forecast: Charleston Harbor (AMZ330) | |
Visit your local NWS office at: https://www.weather.gov/chs |