Point Forecast: 20NM SSW Seattle WA
 47.29N 122.45W (Elev. 0 m)
Last Update: 8:01 pm PDT Jul 14, 2025
Tabular Forecast
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Weather ElementsWeather/PrecipitationMarine Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

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  

Date07/15
Hour (PDT)000102030405060708091011121314151617181920212223
Surface Wind (kt)3321112226681010101010101098764
Wind DirNWNWWNWWNWSWSWWNWENENNENNNNNNNNNNNNNNENNE
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec)
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 555555555555555555555555
Wind Wave Height (m)

Date07/16
Hour (PDT)000102030405060708091011121314151617181920212223
Surface Wind (kt)443333332222224447774444
Wind DirNNENNENNNNNNNNNNNWNNWNNWWWWWWWNWNWNWWSW
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec)
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 555555666666665555555666
Wind Wave Height (m)

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