


NWS Forecast for: 21NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 7:10 pm EDT Jul 7, 2025 | |
Tonight: S wind 15 to 18 km/h becoming SW 11 to 14 km/h after midnight. Partly cloudy. Seas around 1 m. Tuesday: WSW wind 10 to 13 km/h becoming S 13 to 16 km/h in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 m or less. Tuesday Night: S wind 13 to 18 km/h. A slight chance of showers and thunderstorms. Seas around 1 m. Wednesday: SW wind 10 to 13 km/h becoming S 15 to 18 km/h in the afternoon. A chance of showers and thunderstorms. Seas 1 m or less. Wednesday Night: SSW wind 18 to 21 km/h decreasing to 14 to 17 km/h after midnight. A chance of showers and thunderstorms before 5am, then a slight chance of showers. Seas around 1 m. Thursday: SW wind 13 to 16 km/h becoming S 18 to 21 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Seas around 1 m. Thursday Night: SW wind 20 to 23 km/h decreasing to 14 to 17 km/h after midnight. A chance of showers and thunderstorms before 2am. Seas around 1 m. Friday: WSW wind 13 to 18 km/h becoming S in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 1 m. Friday Night: S wind 18 to 21 km/h becoming WSW 13 to 16 km/h after midnight. A chance of showers and thunderstorms before 2am. Seas around 1 m. | |
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 |