Point Forecast: 18NM NW Seattle WA
 47.82N 122.67W (Elev. 0 ft)
Last Update: 8:01 pm PDT Jul 14, 2025
Tabular Forecast
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Weather ElementsWeather/PrecipitationMarine Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Swell 2 Hgt/Dir
Wind Wave Height
Significant Wave Height
Freezing Spray

48-Hour Period Starting:       Back 2 Days  

Date07/1407/15
Hour (PDT)212223000102030405060708091011121314151617181920
Surface Wind (kt)543335884467777777777764
Wind DirNENNENENNENNWNNWNNNNENNNNNNNNNNNNNNNE
Gust
Significant Wave Height (ft) 000000000000001111111110
Swell Height (ft)
Swell Dir
Swell Period (sec)
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 555555555555555555555444
Wind Wave Height (ft)

Date07/16
Hour (PDT)212223000102030405060708091011121314151617181920
Surface Wind (kt)432222222222223335556664
Wind DirNENENENENENNENNENNENWNWNWNNENNENNENENENENNENNENNENNNNNE
Gust
Significant Wave Height (ft) 000000000000000000000000
Swell Height (ft)
Swell Dir
Swell Period (sec)
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 444445556677777775555445
Wind Wave Height (ft)

Additional Forecasts and Information
International System of UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
NWS GIS Viewer (previously user-defined area forecast)