Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM NNW Seattle WA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind around 17 kt. Rain.   Waves 1 ft or less.

      S 17kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:S wind 9 to 13 kt. Rain.   Waves 1 ft or less.

      S 13kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:SSE wind 8 to 14 kt. Rain.   Waves 1 ft or less.

      SSE 14kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 14 to 19 kt becoming variable and less than 5 kt. Winds could gust as high as 27 kt. Rain.   Waves 1 ft or less.

      SSW 19kt⇓
      < 1ft

    • Thursday

      Thursday:SE wind 5 to 7 kt becoming variable and less than 5 kt. Rain.   Waves 1 ft or less.

      SE 7kt⇓
      < 1ft

    • Thursday Night

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

      Light Wind
      < 1ft

    • Friday

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

      Light Wind
      < 1ft

    • Friday Night

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

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers.   Waves 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:01 am PDT Mar 10, 2026
Forecast Valid: 12pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM PDT THIS MORNING

This Afternoon
S wind around 17 kt. Rain. Waves 1 ft or less.
Tonight
S wind 9 to 13 kt. Rain. Waves 1 ft or less.
Wednesday
SSE wind 8 to 14 kt. Rain. Waves 1 ft or less.
Wednesday Night
SSW wind 14 to 19 kt becoming variable and less than 5 kt. Winds could gust as high as 27 kt. Rain. Waves 1 ft or less.
Thursday
SE wind 5 to 7 kt becoming variable and less than 5 kt. Rain. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Rain. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Rain. Waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. Rain. Waves 1 ft or less.
Saturday
Variable winds 5 kt or less. A chance of showers. 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: 47.89°N 122.6°W
Last Update: 8:01 am PDT Mar 10, 2026
Forecast Valid: 12pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
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