Point Forecast: 10NM S Portsmouth NH
 42.9N 70.79W (Elev. 0 ft)
Last Update: 1:41 pm EDT Jul 5, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsMarine WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Wave Period (s)
Significant Wave Height
Freezing Spray
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/0507/06
Hour (EDT)181920212223000102030405060708091011121314151617
Surface Wind (mph)87666678998888999991010111111
Wind DirSSSSSSWSSWSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Significant Wave Height (ft) 112111222222222222222222
Wave Period (sec) 171717171717161616161616161515151515151515151515
Wave Direction (°)

Date07/07
Hour (EDT)181920212223000102030405060708091011121314151617
Surface Wind (mph)111111111111111010109998889991010101010
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSWSSWSSWSSWSSWSSWSSW
Gust
Significant Wave Height (ft) 222222222222222222222222
Wave Period (sec) 151515151515141515151515151515151514141414141414
Wave Direction (°)

Additional Forecasts and Information
International System of UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
Hazardous Weather OutlookRegional Weather Conditions
Local Climate InformationWeather Alerts !
Home