Point Forecast: 10NM S Portsmouth NH
 42.9N 70.79W (Elev. 0 ft)
Last Update: 4:56 pm EST Jan 17, 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  

Date01/1701/18
Hour (EST)171819202122230001020304050607080910111213141516
Surface Wind (mph)10101010109988777777777655544
Wind DirSWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWSWSWSWSWSWSWWSWWSWWSWWWNNWN
Gust
Significant Wave Height (ft) 333322222222222222222222
Wave Period (sec) 111111111111101010101010101010101010101010101010
Wave Direction (°)

Date01/19
Hour (EST)171819202122230001020304050607080910111213141516
Surface Wind (mph)45566788999998888891112131415
Wind DirNNNNNNNWNNWNNWNWNWNWNWWNWWNWWWWWSWWSWWSWWSWWSWWSWWSW
Gust2021
Significant Wave Height (ft) 222222222222222222222222
Wave Period (sec) 1099999999999999999988888
Wave Direction (°)

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