| NWS Forecast for: 21NM NE Hyannis MA Atlantic Ocean Issued by: National Weather Service Norton, MA Last Update: 8:14 pm EDT Sep 16, 2026 |  |
| Tonight: SSW wind around 6 kt. Mostly clear. Seas 1 ft or less. Thursday: Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Mostly sunny. Seas 1 ft or less. Thursday Night: S wind 6 to 9 kt becoming SW after midnight. A chance of showers, mainly after 1am. Patchy fog between 2am and 3am. Seas 1 ft or less. Friday: W wind 7 to 10 kt becoming NNW in the afternoon. A chance of showers, mainly before 7am. Seas 1 ft or less. Friday Night: N wind 5 to 8 kt increasing to 9 to 12 kt after midnight. Mostly clear. Seas 1 ft or less. Saturday: NNE wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less. Saturday Night: Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less. Sunday: SSE wind 6 to 8 kt. Showers likely. Seas 1 ft or less. Sunday Night: SSE wind 6 to 8 kt becoming N after midnight. Showers likely. Seas 1 ft or less. | |
| Marine Point Forecast: 41.88°N 69.97°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/boston |
