| NWS Forecast for: 21NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 7:32 pm EST Mar 5, 2026 | |
| Tonight: Variable winds 5 kt or less. Patchy dense fog after midnight. Seas around 3 ft. Friday: Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Areas of dense fog before noon. Seas around 3 ft. Friday Night: Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft. Saturday: Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. Partly sunny. Seas 2 to 3 ft. Saturday Night: SSE wind around 7 kt becoming SSW after midnight. Partly cloudy. Seas around 3 ft. Sunday: SSW wind 5 to 10 kt. A slight chance of showers after 1pm. Seas around 3 ft. Sunday Night: S wind 5 to 8 kt. A slight chance of showers and thunderstorms before 1am. Seas around 3 ft. Monday: Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. A slight chance of showers and thunderstorms after 1pm. Seas around 3 ft. Monday Night: S wind 5 to 7 kt. Partly cloudy. Seas around 3 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 |







