| NWS Forecast for: 3NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 2:45 am EDT Sep 14, 2026 | |
| Today: N wind 5 to 8 km/h becoming E 8 to 11 km/h in the afternoon. Sunny. Seas around 1 m. Tonight: SE wind 5 to 10 km/h becoming variable and less than 5 km/h after midnight. Mostly clear. Seas 1 m or less. Tuesday: ENE wind 21 to 26 km/h increasing to 45 to 50 km/h. Winds could gust as high as 60 km/h. A chance of showers and thunderstorms, mainly after 11am. Seas around 1 m. Tuesday Night: ENE wind 42 to 45 km/h decreasing to 37 to 40 km/h after midnight. Winds could gust as high as 55 km/h. Partly cloudy. Seas around 2 m. Wednesday: NE wind 34 to 39 km/h increasing to 40 to 45 km/h in the afternoon. Winds could gust as high as 55 km/h. Mostly sunny. Seas 1 to 2 m. Wednesday Night: ENE wind 40 to 45 km/h decreasing to 35 to 40 km/h after midnight. Winds could gust as high as 50 km/h. Mostly clear. Seas around 2 m. Thursday: NE wind 34 to 39 km/h increasing to 45 to 50 km/h. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 to 2 m. Thursday Night: ENE wind 30 to 35 km/h decreasing to 16 to 21 km/h. A chance of showers and thunderstorms. Seas 1 to 2 m. Friday: ENE wind 16 to 19 km/h increasing to 21 to 24 km/h in the morning. A chance of showers and thunderstorms. Seas around 1 m. | |
| Marine Point Forecast: 31.34°N 81.26°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/chs |