Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for portions of the central and southern High Plains. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

13NM S Seattle WA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SSW wind 7 to 9 kt. A chance of rain, mainly before 5pm.   Waves around 1 ft.

      SSW 9kt
      1ft

    • Tonight

      Tonight:SSW wind 9 to 12 kt. Rain.   Waves 1 ft or less.

      SSW 12kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 13 to 21 kt, with gusts as high as 28 kt. Rain, mainly before 1pm.   Waves around 1 ft.

      SSW 21kt
      1ft

    • Wednesday Night

      Wednesday Night:SSW wind 12 to 19 kt, with gusts as high as 25 kt. A slight chance of rain before 11pm.   Waves around 1 ft.

      SSW 19kt
      1ft

    • Thursday

      Thursday:SSW wind 6 to 8 kt becoming NW in the afternoon. Partly sunny. Waves 1 ft or less.

      SSW 8kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      N 6kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming N 7 to 12 kt in the afternoon. Sunny. Waves 1 ft or less.

      ⇑N 12kt
      < 1ft

    • Friday Night

      Friday Night:N wind 6 to 11 kt becoming variable and less than 5 kt in the evening. Clear. Waves 1 ft or less.

      N 11kt⇓
      < 1ft

    • Saturday

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

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Apr 21, 2026
Forecast Valid: 1pm PDT Apr 21, 2026-6pm PDT Apr 27, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

This Afternoon
SSW wind 7 to 9 kt. A chance of rain, mainly before 5pm. Waves around 1 ft.
Tonight
SSW wind 9 to 12 kt. Rain. Waves 1 ft or less.
Wednesday
SSW wind 13 to 21 kt, with gusts as high as 28 kt. Rain, mainly before 1pm. Waves around 1 ft.
Wednesday Night
SSW wind 12 to 19 kt, with gusts as high as 25 kt. A slight chance of rain before 11pm. Waves around 1 ft.
Thursday
SSW wind 6 to 8 kt becoming NW in the afternoon. Partly sunny. Waves 1 ft or less.
Thursday Night
N wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming N 7 to 12 kt in the afternoon. Sunny. Waves 1 ft or less.
Friday Night
N wind 6 to 11 kt becoming variable and less than 5 kt in the evening. Clear. Waves 1 ft or less.
Saturday
Variable winds 5 kt or less. Sunny. 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: 47.39°N 122.35°W
Last Update: 11:26 am PDT Apr 21, 2026
Forecast Valid: 1pm PDT Apr 21, 2026-6pm PDT Apr 27, 2026
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