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Seattle, WA Local Forecast Office

20NM SSW Seattle WA

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds less than 5 kt becoming N around 6 kt after midnight. Mostly cloudy. Waves 1 ft or less.

      ⇑N 6kt
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Rain likely, mainly after 1pm.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Monday Night

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

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Rain, mainly before 10am.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds less than 5 kt becoming ENE around 6 kt in the evening. Rain.   Waves 1 ft or less.

      ⇑ENE 6kt
      < 1ft

    • Wednesday

      Wednesday:SE wind 7 to 11 kt becoming S in the afternoon. Rain before 4pm, then showers and possibly a thunderstorm after 4pm.   Waves 1 ft or less.

      S 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 12 to 14 kt. Showers and possibly a thunderstorm before 10pm, then rain after 10pm.   Waves 1 ft or less.

      S 14kt
      < 1ft

    • Thursday

      Thursday:S wind 10 to 12 kt. Rain.   Waves 1 ft or less.

      S 12kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind around 13 kt. Rain.   Waves 1 ft or less.

      S 13kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:48 pm PST Nov 2, 2025
Forecast Valid: 5pm PST Nov 2, 2025-6pm PST Nov 9, 2025

View Nearby Observations

Detailed Forecast


Tonight
Variable winds less than 5 kt becoming N around 6 kt after midnight. Mostly cloudy. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Rain likely, mainly after 1pm. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Rain. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Rain, mainly before 10am. Waves 1 ft or less.
Tuesday Night
Variable winds less than 5 kt becoming ENE around 6 kt in the evening. Rain. Waves 1 ft or less.
Wednesday
SE wind 7 to 11 kt becoming S in the afternoon. Rain before 4pm, then showers and possibly a thunderstorm after 4pm. Waves 1 ft or less.
Wednesday Night
S wind 12 to 14 kt. Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Waves 1 ft or less.
Thursday
S wind 10 to 12 kt. Rain. Waves 1 ft or less.
Thursday Night
S wind around 13 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: 47.3°N 122.51°W
Last Update: 2:48 pm PST Nov 2, 2025
Forecast Valid: 5pm PST Nov 2, 2025-6pm PST Nov 9, 2025
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