| NWS Forecast for: 21NM NE Hyannis MA Atlantic Ocean Issued by: National Weather Service Norton, MA Last Update: 2:22 am EDT Jul 13, 2025 |  |
| Sunday: ESE wind 10 to 14 km/h. Patchy fog before 11am. Seas 1 m or less. Sunday Night: ESE wind 5 to 10 km/h. Patchy fog before 9pm, then Patchy fog after 10pm. Seas 1 m or less. Monday: E wind 5 to 8 km/h becoming SSE 8 to 11 km/h in the afternoon. Patchy fog before 10am. Seas 1 m or less. Monday Night: SW wind around 10 km/h. Mostly cloudy. Seas 1 m or less. Tuesday: SSW wind 10 to 13 km/h. Partly sunny. Seas 1 m or less. Tuesday Night: SW wind around 11 km/h. Partly cloudy. Seas 1 m or less. Wednesday: S wind 10 to 14 km/h. Mostly sunny. Seas 1 m or less. Wednesday Night: SSW wind around 13 km/h. Mostly cloudy. Seas 1 m or less. Thursday: SSW wind 13 to 18 km/h, with gusts as high as 32 km/h. Partly sunny. Seas 1 m or less. | |
| Marine Point Forecast: 41.88°N 69.97°W Associated Zone Forecast which includes this point | |
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