Point Forecast: 21NM E Portsmouth RI
 41.55N 70.79W (Elev. 0 m)
Last Update: 3:40 pm EDT Jun 30, 2025
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  

Date06/3007/01
Hour (EDT)192021222300010203040506070809101112131415161718
Surface Wind (kt)8777788910101112121314151718192020202121
Wind DirSSSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWSW
Gust2828
Significant Wave Height (m) 000000000001111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 777776655666667789986200
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 333333333333333334444455
Wind Wave Height (m) 000000000000111111111111

Date07/02
Hour (EDT)192021222300010203040506070809101112131415161718
Surface Wind (kt)201919181716161514131211101010101112131414141414
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Significant Wave Height (m) 111111111111111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 000002578777777875200000
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 555566677777777777777777
Wind Wave Height (m) 111111111110000011111111

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