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Seattle, WA Local Forecast Office

21NM S Seattle WA

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:N wind 5 to 14 km/h. Partly cloudy. Waves 1 m or less.

      N 14km/h
      < 1m

    • Sunday

      Sunday:N wind 8 to 14 km/h. Sunny. Waves 1 m or less.

      N 14km/h
      < 1m

    • Sunday Night

      Sunday Night:N wind 8 to 13 km/h. Mostly clear. Waves 1 m or less.

      N 13km/h
      < 1m

    • Monday

      Monday:N wind 5 to 10 km/h becoming NW in the morning. Partly sunny. Waves 1 m or less.

      NW 10km/h
      < 1m

    • Monday Night

      Monday Night:NNW wind 5 to 14 km/h. Mostly clear. Waves 1 m or less.

      NNW 14km/h
      < 1m

    • Tuesday

      Tuesday:Variable winds less than 5 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:N wind 11 to 16 km/h decreasing to 5 to 10 km/h after midnight. Clear. Waves 1 m or less.

      N 16km/h⇓
      < 1m

    • Wednesday

      Wednesday:Variable winds less than 5 km/h becoming NNW 8 to 13 km/h in the afternoon. Sunny. Waves 1 m or less.

      ⇑NNW 13km/h
      < 1m

    • Wednesday Night

      Wednesday Night:N wind 10 to 14 km/h becoming W after midnight. Mostly clear. Waves 1 m or less.

      N 14km/h
      < 1m


Associated Zone Forecast which includes this point

Last Update: 2:25 pm PDT Jul 12, 2025
Forecast Valid: 6pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025

View Nearby Observations

Detailed Forecast


Tonight
N wind 5 to 14 km/h. Partly cloudy. Waves 1 m or less.
Sunday
N wind 8 to 14 km/h. Sunny. Waves 1 m or less.
Sunday Night
N wind 8 to 13 km/h. Mostly clear. Waves 1 m or less.
Monday
N wind 5 to 10 km/h becoming NW in the morning. Partly sunny. Waves 1 m or less.
Monday Night
NNW wind 5 to 14 km/h. Mostly clear. Waves 1 m or less.
Tuesday
Variable winds less than 5 km/h becoming N 11 to 16 km/h in the morning. Sunny. Waves 1 m or less.
Tuesday Night
N 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 NNW 8 to 13 km/h in the afternoon. Sunny. Waves 1 m or less.
Wednesday Night
N wind 10 to 14 km/h becoming W after midnight. Mostly clear. 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: 47.27°N 122.44°W
Last Update: 2:25 pm PDT Jul 12, 2025
Forecast Valid: 6pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
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