Point Forecast: 5NM SE Nantucket MA
 41.22N 70.04W (Elev. 0 ft)
Last Update: 2:46 pm EDT Jul 11, 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  

Date07/1107/12
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (mph)555555556678899101011101010999
Wind DirSESESESESESEESEESEESEEEEEEEEEESEESEESEEEEE
Gust
Significant Wave Height (ft) 333333333333322233333333
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 777777888888887777777777
Swell 2 Period (sec) 111111111111111111111110101010101010101010101010
Wind Wave Height (ft) 111111111111111122222222

Date07/13
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (mph)998888899910101011111111111110101099
Wind DirESEESEEEEEEEEEEEEESEESEESEESEESEESEESEESEESEESEESE
Gust
Significant Wave Height (ft) 333333333333333332222222
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 777788887777777777777777
Swell 2 Period (sec) 101010101010101010101010101010101010101010101010
Wind Wave Height (ft) 222222222222222222222222

Additional Forecasts and Information
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