Point Forecast: 10NM S Portsmouth NH
 42.9N 70.79W (Elev. 0 ft)
Last Update: 6:52 pm EST Mar 7, 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
Wave Period (s)
Significant Wave Height
Freezing Spray
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date03/0703/08
Hour (EST)202122230001020304050607080910111213141516171819
Surface Wind (kt)111111111112111010101010999999910101099
Wind DirSSWSSWSSWSWSWSWSWSWSSWSSWSWSWSWSWSWSWWSWWSWWSWWSWWWWW
Gust171717171717
Significant Wave Height (ft) 444555544444444444333333
Wave Period (sec) 999999999999999999101010101010

Date03/09
Hour (EST)202122230001020304050607080910111213141516171819
Surface Wind (kt)98888888877777891010101111111010
Wind DirWSWWSWSWSWWSWWSWWSWSWSWSWSWSWSWSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSW
Gust17171717171717
Significant Wave Height (ft) 333333333333322232233333
Wave Period (sec) 101010999999999999999999999

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