Point Forecast: 18NM NW Seattle WA
 47.82N 122.67W (Elev. 0 ft)
Last Update: 9:41 pm PDT Mar 18, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationMarine 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
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  

Date03/1803/19
Hour (PDT)230001020304050607080910111213141516171819202122
Surface Wind (kt)4444445678410101111999121211121112
Wind DirSSSESSESSSESSESSSSSSSSSESSESSESSESSESSSSSS
Gust1717171717182120
Significant Wave Height (ft) 000000000000111111111111
Swell Height (ft)
Swell Dir
Swell Period (sec)
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 10100000000000999101010101011101111
Wind Wave Height (ft)

Date03/20
Hour (PDT)230001020304050607080910111213141516171819202122
Surface Wind (kt)141414101010666777999111111111111131313
Wind DirSSSSSSSSSSSSSSSSSSSSSSSS
Gust191919191919212121
Significant Wave Height (ft) 111111111000111111111111
Swell Height (ft)
Swell Dir
Swell Period (sec)
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 111112121111111211111111111111111111111111111212
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)