| NWS Forecast for: 21NM NNE Altamaha Sound FL Atlantic Ocean Issued by: National Weather Service Charleston, SC Last Update: 2:45 pm EDT Sep 15, 2026 | |
Tonight: ENE wind 19 to 22 kt, with gusts as high as 28 kt. Partly cloudy. Seas around 5 ft. Wednesday: NE wind 16 to 21 kt. Mostly sunny. Seas around 4 ft. Wednesday Night: ENE wind 16 to 19 kt decreasing to 12 to 15 kt after midnight. Winds could gust as high as 25 kt. Partly cloudy. Seas 4 to 5 ft. Thursday: ENE wind 12 to 16 kt. Mostly sunny. Seas 3 to 4 ft. Thursday Night: ENE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 3 ft. Friday: NNE wind 5 to 7 kt becoming E in the afternoon. Sunny. Seas around 2 ft. Friday Night: ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas around 2 ft. Saturday: Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. A chance of showers and thunderstorms, mainly before 2pm. Seas around 2 ft. Saturday Night: E wind 5 to 9 kt. A chance of showers and thunderstorms, mainly after 2am. Seas around 2 ft. | |
| Marine Point Forecast: 31.62°N 81.12°W Associated Zone Forecast which includes this point | |
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