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Seattle, WA Local Forecast Office

20NM SSW Seattle WA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind around 11 km/h. Mostly sunny. Waves 1 m or less.

      N 11km/h
      < 1m

    • Tonight

      Tonight:NNE wind 8 to 13 km/h becoming variable and less than 5 km/h after midnight. Mostly clear. Waves 1 m or less.

      NNE 13km/h⇓
      < 1m

    • Tuesday

      Tuesday:E wind 5 to 10 km/h becoming N 11 to 16 km/h in the morning. Sunny. Waves 1 m or less.

      ⇑N 16km/h
      < 1m

    • Tuesday Night

      Tuesday Night:NNE wind 11 to 16 km/h decreasing to 5 to 10 km/h after midnight. Clear. Waves 1 m or less.

      NNE 16km/h⇓
      < 1m

    • Wednesday

      Wednesday:Variable winds less than 5 km/h becoming WNW 5 to 10 km/h in the afternoon. Sunny. Waves 1 m or less.

      ⇑WNW 10km/h
      < 1m

    • Wednesday Night

      Wednesday Night:W wind 8 to 13 km/h. Clear. Waves 1 m or less.

      W 13km/h
      < 1m

    • Thursday

      Thursday:WSW wind 5 to 11 km/h becoming NW in the afternoon. Sunny. Waves 1 m or less.

      NW 11km/h
      < 1m

    • Thursday Night

      Thursday Night:NNW wind 5 to 11 km/h becoming SW after midnight. Clear. Waves 1 m or less.

      NNW 11km/h
      < 1m

    • Friday

      Friday:SSW wind 5 to 11 km/h. Sunny. Waves 1 m or less.

      SSW 11km/h
      < 1m


Associated Zone Forecast which includes this point

Last Update: 8:00 am PDT Jul 14, 2025
Forecast Valid: 1pm PDT Jul 14, 2025-6pm PDT Jul 20, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
N wind around 11 km/h. Mostly sunny. Waves 1 m or less.
Tonight
NNE wind 8 to 13 km/h becoming variable and less than 5 km/h after midnight. Mostly clear. Waves 1 m or less.
Tuesday
E wind 5 to 10 km/h becoming N 11 to 16 km/h in the morning. Sunny. Waves 1 m or less.
Tuesday Night
NNE wind 11 to 16 km/h decreasing to 5 to 10 km/h after midnight. Clear. Waves 1 m or less.
Wednesday
Variable winds less than 5 km/h becoming WNW 5 to 10 km/h in the afternoon. Sunny. Waves 1 m or less.
Wednesday Night
W wind 8 to 13 km/h. Clear. Waves 1 m or less.
Thursday
WSW wind 5 to 11 km/h becoming NW in the afternoon. Sunny. Waves 1 m or less.
Thursday Night
NNW wind 5 to 11 km/h becoming SW after midnight. Clear. Waves 1 m or less.
Friday
SSW wind 5 to 11 km/h. Sunny. Waves 1 m or less.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 47.29°N 122.48°W
Last Update: 8:00 am PDT Jul 14, 2025
Forecast Valid: 1pm PDT Jul 14, 2025-6pm PDT Jul 20, 2025
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