Point Forecast: 13NM SW Hyannis MA
 41.51N 70.5W (Elev. 0 ft)
Last Update: 2:03 pm EDT Jul 14, 2025
Tabular Forecast
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Weather ElementsMarine WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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  

Date07/1407/15
Hour (EDT)171819202122230001020304050607080910111213141516
Surface Wind (kt)101010101010101010101010999999101010101010
Wind DirSSWSSWSSWSSWSSWSSWSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Significant Wave Height (ft) 111111111111111111111222
Swell Height (ft)
Swell Dir
Swell Period (sec) 222222222222222222222222
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 222232222222222222222233
Wind Wave Height (ft) 111111111111111111111111

Date07/16
Hour (EDT)171819202122230001020304050607080910111213141516
Surface Wind (kt)111010101010101010101099999910101010111112
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSWSSWSSWSSW
Gust
Significant Wave Height (ft) 211111111111111111122222
Swell Height (ft)
Swell Dir
Swell Period (sec) 222222222222222222222333
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 333332322222222222233333
Wind Wave Height (ft) 111111111111111111111111

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