Point Forecast: 5NM SE Nantucket MA
 41.22N 70.04W (Elev. 0 m)
Last Update: 2:23 am EDT Sep 11, 2026
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  

Date09/1109/12
Hour (EDT)040506070809101112131415161718192021222300010203
Surface Wind (kt)10101011111110109766555666666556
Wind DirNWNWNNWNNNNNNNNNWWSWSSWSSWSSWSSWSWWSWWSWWNWNNWN
Gust
Significant Wave Height (m) 111111111111111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 777777777666666555666666
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 9101010101010999998899999999109
Wind Wave Height (m) 111111111110000111000000

Date09/13
Hour (EDT)040506070809101112131415161718192021222300010203
Surface Wind (kt)6777777777778889910101111111111
Wind DirNNENENEENEENEEEEESEESESESESSESSESSESSESSESSESSESSESSESSESSESSE
Gust
Significant Wave Height (m) 111111111111111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 666666666665557897300000
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 99999999999998888999991010
Wind Wave Height (m) 000000000000000111111111

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