Point Forecast: 11NM SW Nantucket MA
 41.12N 70.24W (Elev. 0 ft)
Last Update: 3:43 pm EST Jan 16, 2026
Tabular Forecast
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Weather ElementsMarine WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

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

Rain
Thunder
Snow
Freezing Rain
Sleet
Freezing Spray
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  

Date01/1601/17
Hour (EST)171819202122230001020304050607080910111213141516
Surface Wind (kt)211917161515131312111111111111111213141516161617
Wind DirWWWWWSWWSWWSWWSWWSWSWSSWSSWSSWSSWSSWSSSWSSWSSWSSWSSWSSWSSWSSW
Gust22171718192021212222
Significant Wave Height (ft) 887766666655555555555566
Swell Height (ft)
Swell Dir
Swell Period (sec) 88888888101010101010101097777788
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 989888888888877777777878
Wind Wave Height (ft) 887766655555566666677777

Date01/18
Hour (EST)171819202122230001020304050607080910111213141516
Surface Wind (kt)161616151413121010876666778899999
Wind DirSWSWWSWWWWWWWWWWWWSWWSWSWSSWSSWSWWWNWNWNN
Gust21212120
Significant Wave Height (ft) 666666666666666555555555
Swell Height (ft)
Swell Dir
Swell Period (sec) 888888888899999988888888
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 888876788888655444033333
Wind Wave Height (ft) 777765421111111111111111

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