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Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind 5 to 7 kt. Rain.   Waves 1 ft or less.

      ENE 7kt
      < 1ft

    • Tonight

      Tonight:NNE wind 5 to 7 kt. Rain likely, mainly after 4am.   Waves 1 ft or less.

      NNE 7kt
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Rain likely, mainly after 4pm.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:ENE wind 7 to 9 kt. Rain.   Waves 1 ft or less.

      ENE 9kt
      < 1ft

    • Wednesday

      Wednesday:ESE wind 9 to 15 kt becoming S in the afternoon. Rain before 4pm, then showers and possibly a thunderstorm after 4pm.   Waves 1 ft or less.

      S 15kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 18 to 20 kt. Showers and possibly a thunderstorm before 7pm, then rain after 7pm.   Waves 1 ft or less.

      S 20kt
      < 1ft

    • Thursday

      Thursday:S wind 12 to 14 kt. Rain.   Waves 1 ft or less.

      S 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind around 19 kt. Rain.   Waves 1 ft or less.

      SSW 19kt
      < 1ft

    • Friday

      Friday:SSW wind 15 to 17 kt. Rain.   Waves 1 ft or less.

      SSW 17kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:00 am PST Nov 3, 2025
Forecast Valid: 10am PST Nov 3, 2025-6pm PST Nov 9, 2025

View Nearby Observations

Detailed Forecast


Today
ENE wind 5 to 7 kt. Rain. Waves 1 ft or less.
Tonight
NNE wind 5 to 7 kt. Rain likely, mainly after 4am. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Rain likely, mainly after 4pm. Waves 1 ft or less.
Tuesday Night
ENE wind 7 to 9 kt. Rain. Waves 1 ft or less.
Wednesday
ESE wind 9 to 15 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 18 to 20 kt. Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Waves 1 ft or less.
Thursday
S wind 12 to 14 kt. Rain. Waves 1 ft or less.
Thursday Night
SSW wind around 19 kt. Rain. Waves 1 ft or less.
Friday
SSW wind 15 to 17 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: 47.37°N 122.66°W
Last Update: 7:00 am PST Nov 3, 2025
Forecast Valid: 10am PST Nov 3, 2025-6pm PST Nov 9, 2025
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