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Seattle, WA Local Forecast Office

21NM W Seattle WA

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Rain likely, mainly after 2am.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Rain, mainly before 2pm.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds less than 5 kt becoming SSW 5 to 7 kt after midnight. Rain.   Waves 1 ft or less.

      ⇑SSW 7kt
      < 1ft

    • Friday

      Friday:SW wind 10 to 12 kt. Rain.   Waves 1 ft or less.

      SW 12kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 9 to 11 kt. Rain.   Waves 1 ft or less.

      SW 11kt
      < 1ft

    • Saturday

      Saturday:SSW wind around 9 kt. Rain.   Waves 1 ft or less.

      SSW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind around 9 kt. Rain.   Waves 1 ft or less.

      SSW 9kt
      < 1ft

    • Sunday

      Sunday:S wind 10 to 13 kt, with gusts as high as 20 kt. Rain.   Waves 1 ft or less.

      S 13kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 10 to 12 kt. Rain.   Waves 1 ft or less.

      SW 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:00 pm PST Dec 3, 2025
Forecast Valid: 11pm PST Dec 3, 2025-6pm PST Dec 10, 2025

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Rain likely, mainly after 2am. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Rain, mainly before 2pm. Waves 1 ft or less.
Thursday Night
Variable winds less than 5 kt becoming SSW 5 to 7 kt after midnight. Rain. Waves 1 ft or less.
Friday
SW wind 10 to 12 kt. Rain. Waves 1 ft or less.
Friday Night
SW wind 9 to 11 kt. Rain. Waves 1 ft or less.
Saturday
SSW wind around 9 kt. Rain. Waves 1 ft or less.
Saturday Night
SSW wind around 9 kt. Rain. Waves 1 ft or less.
Sunday
S wind 10 to 13 kt, with gusts as high as 20 kt. Rain. Waves 1 ft or less.
Sunday Night
SW wind 10 to 12 kt. 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: 47.66°N 122.88°W
Last Update: 7:00 pm PST Dec 3, 2025
Forecast Valid: 11pm PST Dec 3, 2025-6pm PST Dec 10, 2025
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