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Seattle, WA Local Forecast Office

18NM WNW Seattle WA

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy dense fog after 3am.  Waves 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming NNE around 6 kt in the afternoon. Areas of dense fog before 9am.  Waves 1 ft or less.

      ⇑NNE 6kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NNE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      NNE 7kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming NNE 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

      ⇑NNE 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NNE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Clear. Waves 1 ft or less.

      NNE 8kt⇓
      < 1ft

    • Thursday

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

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday

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

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:46 am PDT Oct 5, 2026
Forecast Valid: 5am PDT Oct 5, 2026-6pm PDT Oct 11, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Patchy dense fog after 3am. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming NNE around 6 kt in the afternoon. Areas of dense fog before 9am. Waves 1 ft or less.
Tuesday Night
NNE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming NNE 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.
Wednesday Night
NNE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Clear. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. A slight 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: 47.7°N 122.76°W
Last Update: 3:46 am PDT Oct 5, 2026
Forecast Valid: 5am PDT Oct 5, 2026-6pm PDT Oct 11, 2026
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