| NWS Forecast for: 21NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 2:30 am EDT Apr 14, 2026 | |
| Tuesday: SSW wind 5 to 8 km/h becoming SSE 13 to 18 km/h in the afternoon. Sunny. Seas around 1 m. Tuesday Night: S wind 11 to 16 km/h. Partly cloudy. Seas around 1 m. Wednesday: SW wind 8 to 11 km/h becoming S 13 to 18 km/h in the afternoon. Sunny. Seas around 1 m. Wednesday Night: S wind 14 to 16 km/h. Mostly clear. Seas around 1 m. Thursday: SSW wind 11 to 16 km/h becoming S 16 to 21 km/h in the afternoon. Sunny. Seas around 1 m. Thursday Night: S wind 20 to 23 km/h becoming SSW 16 to 19 km/h after midnight. Mostly clear. Seas around 1 m. Friday: SW wind 10 to 13 km/h becoming S 13 to 16 km/h in the afternoon. Sunny. Seas around 1 m. Friday Night: SSW wind 16 to 18 km/h. Mostly clear. Seas around 1 m. Saturday: SW wind 11 to 14 km/h becoming S 15 to 18 km/h in the afternoon. Mostly sunny. 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 |