


NWS Forecast for: 21NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 2:57 pm EDT Jun 21, 2025 | |
Tonight: S wind 7 to 10 kt. Mostly clear. Seas around 1 ft. Sunday: Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. Sunny. Seas around 1 ft. Sunday Night: SSE wind 5 to 9 kt. Mostly clear. Seas around 2 ft. Monday: Variable winds less than 5 kt becoming ESE 5 to 10 kt in the morning. A slight chance of showers before 2pm. Seas around 1 ft. Monday Night: SSE wind 5 to 8 kt becoming S after midnight. Mostly clear. Seas around 2 ft. Tuesday: Variable winds less than 5 kt becoming SE 5 to 8 kt in the morning. Sunny. Seas around 1 ft. Tuesday Night: SSE wind 6 to 8 kt becoming SSW after midnight. Mostly clear. Seas 1 to 2 ft. Wednesday: Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. Sunny. Seas around 1 ft. Wednesday Night: S wind around 9 kt becoming SW after midnight. Mostly clear. Seas 1 to 2 ft. | |
Marine Point Forecast: 31.62°N 81.12°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/chs |