Point Forecast: 5NM SE Nantucket MA
 41.22N 70.04W (Elev. 0 ft)
Last Update: 12:00 am EDT Jul 8, 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  

Date07/0807/09
Hour (EDT)010203040506070809101112131415161718192021222300
Surface Wind (mph)151515151514141314141414141515151515141413131312
Wind DirSSWSSSSSSWSWWSWWSWWSWWSWWSWWSWSWSWSWSWSWSWSWWSWWSWWSWWSW
Gust
Significant Wave Height (ft) 444444444444554444444444
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 566677778888888888888877
Swell 2 Period (sec) 141313131313131313131313131313131313131313131313
Wind Wave Height (ft) 444443211123455555554433

Date07/10
Hour (EDT)010203040506070809101112131415161718192021222300
Surface Wind (mph)121211111111111111111111101010999888777
Wind DirWSWSWSWSWSWSWWSWWSWWSWWSWWSWWSWSWSWSWWSWWSWWSWWSWWSWWSWSWSSWSSW
Gust
Significant Wave Height (ft) 444443333333333333333333
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 777777777777777777777777
Swell 2 Period (sec) 121312131212121211111111111111111010999999
Wind Wave Height (ft) 444555543211111111111111

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