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Seattle, WA Local Forecast Office

20NM NNW Seattle WA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind 20 to 22 kt, with gusts as high as 29 kt. Rain.   Waves 1 ft or less.

      S 22kt
      < 1ft

      Gale Warning
      Gale Warning

    • Tonight

      Tonight:SW wind 5 to 12 kt becoming NNW after midnight. Rain before 2am, then a chance of rain after 4am.   Waves 1 ft or less.

      SW 12kt
      < 1ft

      Gale Warning
      Gale Warning

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S around 6 kt in the morning. Rain, mainly after 10am.   Waves 1 ft or less.

      ⇑S 6kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind 5 to 8 kt. Rain.   Waves 1 ft or less.

      S 8kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Rain.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Rain.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Rain.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Rain likely.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of rain.   Waves 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:01 am PST Dec 8, 2025
Forecast Valid: 12pm PST Dec 8, 2025-6pm PST Dec 14, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

This Afternoon
S wind 20 to 22 kt, with gusts as high as 29 kt. Rain. Waves 1 ft or less.
Tonight
SW wind 5 to 12 kt becoming NNW after midnight. Rain before 2am, then a chance of rain after 4am. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S around 6 kt in the morning. Rain, mainly after 10am. Waves 1 ft or less.
Tuesday Night
S wind 5 to 8 kt. Rain. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Rain. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Rain. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Rain. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Rain likely. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. A chance of rain. Waves 1 ft 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: 47.89°N 122.6°W
Last Update: 7:01 am PST Dec 8, 2025
Forecast Valid: 12pm PST Dec 8, 2025-6pm PST Dec 14, 2025
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