Coastal Waters Forecast for Charleston Harbor (AMZ330) (Text-Only)
NWS Forecast for: Charleston Harbor (AMZ330)
Issued by: National Weather Service Charleston, SC
Last Update: 440 PM EST Sun Jan 18 2026


Tonight: W winds 10 to 15 kt, diminishing to 5 to 10 kt late. Gusts to 25 kt.

Mon: W winds 10 kt.

Mon Night: NW winds 5 to 10 kt.

Tue: N winds 5 kt.

Tue Night: NE winds 5 to 10 kt.

Wed: NE winds 5 to 10 kt.

Wed Night: N winds 5 kt. A slight chance of showers after midnight.

Thu: NW winds 5 kt. A chance of showers.

Thu Night: N winds 5 kt.

Fri: NE winds 5 to 10 kt.

Fri Night: NE winds 5 kt. A slight chance of showers.

unless otherwise noted, waves 1 foot or less.

charleston harbor water temperature 53 degrees.







Zone Forecast: Charleston Harbor (AMZ330)

Visit your local NWS office at: https://www.weather.gov/chs