| NWS Forecast for: 21NM NE Hyannis MA Atlantic Ocean Issued by: National Weather Service Norton, MA Last Update: 3:22 am EDT May 12, 2026 |  |
| This Afternoon: N wind 5 to 7 kt becoming NNE. Sunny. Seas 1 ft or less. Tonight: SSW wind around 6 kt becoming WSW after midnight. Increasing clouds. Seas 1 ft or less. Wednesday: SW wind 6 to 11 kt becoming S in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. Seas 1 ft or less. Wednesday Night: S wind around 10 kt. Mostly cloudy. Seas 1 ft or less. Thursday: SE wind 10 to 12 kt, with gusts as high as 21 kt. Showers, mainly after 1pm. Seas 1 ft or less. Thursday Night: ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Showers and possibly a thunderstorm before 2am, then showers likely. Patchy fog. Seas 1 ft or less. Friday: NNW wind 5 to 7 kt. Showers likely, mainly before 7am. Seas 1 ft or less. Friday Night: NW wind 6 to 8 kt. A chance of showers. Seas 1 ft or less. Saturday: W wind 6 to 9 kt becoming SW in the afternoon. Mostly sunny. Seas 1 ft or less. | |
| Marine Point Forecast: 41.88°N 69.97°W Associated Zone Forecast which includes this point | |
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