SXUS42 KCHS 211819 RECCHS Recreational Forecast for Lake Moultrie National Weather Service Charleston SC 219 PM EDT Sat Mar 21 2026 SCZ045-220600- Lake Moultrie- 219 PM EDT Sat Mar 21 2026 .THIS AFTERNOON...W winds 5 kt. .TONIGHT...SW winds 5 kt. .SUN...SW winds 5 to 10 kt. .SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. .MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. A slight chance of showers in the afternoon. Unless otherwise noted, waves 1 foot or less. Water temperature in the Rediversion Canal, 60 degrees. For additional forecast information, refer to the Berkeley County forecast. $$