


NWS Forecast for: 21NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 7:04 am EDT Jul 18, 2025 | ![]() |
Today: SSW wind 11 to 16 km/h becoming S in the afternoon. A chance of showers and thunderstorms, mainly between 2pm and 5pm. Seas around 1 m. Tonight: SSW wind 14 to 18 km/h. A slight chance of showers and thunderstorms before 8pm. Seas around 1 m. Saturday: WSW wind 11 to 16 km/h becoming S in the afternoon. Sunny. Seas around 1 m. Saturday Night: S wind 16 to 21 km/h becoming SW after midnight. Mostly clear. Seas around 1 m. Sunday: W wind 14 to 16 km/h becoming SW in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas around 1 m. Sunday Night: SSW wind 14 to 16 km/h becoming WSW after midnight. A slight chance of showers and thunderstorms before 2am. Seas around 1 m. Monday: W wind around 14 km/h. A chance of showers and thunderstorms after 2pm. Seas around 1 m. Monday Night: SSW wind 10 to 14 km/h becoming W after midnight. A chance of showers and thunderstorms, mainly before 2am. Seas 1 m or less. Tuesday: N wind 11 to 14 km/h becoming ENE in the afternoon. Showers and thunderstorms likely, mainly after 2pm. Seas 1 m or less. | |
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 |