Point Forecast: 21NM NE Hyannis MA
 41.88N 69.97W (Elev. 15 m)
Last Update: 2:46 pm EDT Jul 11, 2025
Tabular Forecast
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Weather ElementsMarine WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Wind Wave Height
Significant Wave Height
Freezing Spray
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/1107/12
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (km/h)555555355558101011111313131311111010
Wind DirSSESSSSSESSSESSESSESESESESESESESESESESESESESESESE
Gust
Significant Wave Height (m) 000000000000000000000000
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m) 000000000000000000000000

Date07/13
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (km/h)101010101010101010101010111113141414141413111110
Wind DirSESESESESESESEESEESEESEESEESEESESESESESESESESESESESSESSE
Gust
Significant Wave Height (m) 000000000000000000000000
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m) 000000000000000000000000

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