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Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

11NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:Variable winds 5 kt or less. A slight chance of rain after 4pm. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds less than 5 kt becoming S around 6 kt in the evening. A chance of rain, mainly after 2am. Waves 1 ft or less.

      ⇑S 6kt
      < 1ft

    • Monday

      Monday:SSW wind 6 to 8 kt. A chance of rain. Waves 1 ft or less.

      SSW 8kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind around 9 kt. A chance of rain. Waves 1 ft or less.

      SSW 9kt
      < 1ft

    • Tuesday

      Tuesday:S wind 9 to 16 kt, with gusts as high as 24 kt. Rain. Waves 1 ft or less.

      S 16kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 6 to 16 kt, with gusts as high as 24 kt. Rain, mainly before 11pm. Waves 1 ft or less.

      SSW 16kt
      < 1ft

    • Wednesday

      Wednesday:SW wind 5 to 8 kt. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

      SW 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A slight chance of rain. Waves 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 11, 2026
Forecast Valid: 2am PDT Apr 12, 2026-6pm PDT Apr 18, 2026

View Nearby Observations

Detailed Forecast


Sunday
Variable winds 5 kt or less. A slight chance of rain after 4pm. Waves 1 ft or less.
Sunday Night
Variable winds less than 5 kt becoming S around 6 kt in the evening. A chance of rain, mainly after 2am. Waves 1 ft or less.
Monday
SSW wind 6 to 8 kt. A chance of rain. Waves 1 ft or less.
Monday Night
SSW wind around 9 kt. A chance of rain. Waves 1 ft or less.
Tuesday
S wind 9 to 16 kt, with gusts as high as 24 kt. Rain. Waves 1 ft or less.
Tuesday Night
SSW wind 6 to 16 kt, with gusts as high as 24 kt. Rain, mainly before 11pm. Waves 1 ft or less.
Wednesday
SW wind 5 to 8 kt. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. A slight chance of 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: 47.57°N 122.62°W
Last Update: 11:27 pm PDT Apr 11, 2026
Forecast Valid: 2am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
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