SXUS42 KCHS 210938 RECCHS Recreational Forecast for Lake Moultrie National Weather Service Charleston SC 538 AM EDT Sat Mar 21 2026 SCZ045-212100- Lake Moultrie- 538 AM EDT Sat Mar 21 2026 .TODAY...W winds 5 to 10 kt. .TONIGHT...SW winds 5 kt. A slight chance of showers in the evening. .SUN...SW winds 5 kt, increasing to 5 to 10 kt in the afternoon. .SUN NIGHT...SW winds 5 to 10 kt. .MON...W winds 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. A chance of showers in the afternoon. Unless otherwise noted, waves 1 foot or less. Water temperature in the Rediversion Canal, 59 degrees. For additional forecast information, refer to the Berkeley County forecast. $$