| NWS Forecast for: 21NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 7:01 pm EDT Jul 11, 2025 | |
| Tonight: SSW wind 7 to 9 kt. A slight chance of showers and thunderstorms before 11pm. Seas around 2 ft. Saturday: W wind 5 to 7 kt becoming S in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft. Saturday Night: SSW wind 6 to 8 kt. A chance of showers and thunderstorms, mainly before 2am. Seas around 2 ft. Sunday: W wind around 6 kt becoming S in the afternoon. A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Seas around 2 ft. Sunday Night: S wind around 6 kt becoming WSW after midnight. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas 1 to 2 ft. Monday: Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas around 1 ft. Monday Night: SE wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 2am. Seas 1 to 2 ft. Tuesday: ESE wind 5 to 7 kt. Showers and thunderstorms likely, mainly after 2pm. Seas around 1 ft. Tuesday Night: S wind 6 to 8 kt. Showers and thunderstorms likely, mainly before 8pm. 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 |