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Seattle, WA Local Forecast Office

18NM NW Seattle WA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind around 8 kt. A chance of rain.   Waves 1 ft or less.

      N 8kt
      < 1ft

    • Tonight

      Tonight:NNW wind around 6 kt becoming variable and less than 5 kt in the evening. Rain likely, mainly before 2am.   Waves 1 ft or less.

      NNW 6kt⇓
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Rain and snow, becoming all rain after 5pm.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Rain before 8pm, then rain and snow.   Waves 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:S wind 5 to 10 kt, with gusts as high as 20 kt. Rain and snow, becoming all rain after 11am.   Waves 1 ft or less.

      S 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 6 to 10 kt, with gusts as high as 20 kt. Rain.   Waves 1 ft or less.

      SSW 10kt
      < 1ft

    • Wednesday

      Wednesday:S wind 12 to 22 kt, with gusts as high as 38 kt. Rain.   Waves 1 ft or less.

      S 22kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 17 to 22 kt decreasing to 11 to 16 kt after midnight. Winds could gust as high as 39 kt. Rain.   Waves 1 ft or less.

      SSW 22kt⇓
      < 1ft

    • Thursday

      Thursday:S wind 7 to 9 kt becoming WSW in the afternoon. Winds could gust as high as 20 kt. Rain.   Waves 1 ft or less.

      S 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:00 am PDT Mar 8, 2026
Forecast Valid: 2pm PDT Mar 8, 2026-6pm PDT Mar 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING...

This Afternoon
N wind around 8 kt. A chance of rain. Waves 1 ft or less.
Tonight
NNW wind around 6 kt becoming variable and less than 5 kt in the evening. Rain likely, mainly before 2am. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Rain and snow, becoming all rain after 5pm. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Rain before 8pm, then rain and snow. Waves 1 ft or less.
Tuesday
S wind 5 to 10 kt, with gusts as high as 20 kt. Rain and snow, becoming all rain after 11am. Waves 1 ft or less.
Tuesday Night
SSW wind 6 to 10 kt, with gusts as high as 20 kt. Rain. Waves 1 ft or less.
Wednesday
S wind 12 to 22 kt, with gusts as high as 38 kt. Rain. Waves 1 ft or less.
Wednesday Night
SSW wind 17 to 22 kt decreasing to 11 to 16 kt after midnight. Winds could gust as high as 39 kt. Rain. Waves 1 ft or less.
Thursday
S wind 7 to 9 kt becoming WSW in the afternoon. Winds could gust as high as 20 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: 47.82°N 122.67°W
Last Update: 8:00 am PDT Mar 8, 2026
Forecast Valid: 2pm PDT Mar 8, 2026-6pm PDT Mar 14, 2026
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