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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

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds less than 5 kt becoming SW 5 to 7 kt after midnight. Rain likely, mainly after 5am. Waves 1 ft or less.

      ⇑SW 7kt
      < 1ft

    • Saturday

      Saturday:SSW wind 5 to 9 kt. Rain, mainly before noon. Waves 1 ft or less.

      SSW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 6 to 10 kt. A chance of rain. Waves 1 ft or less.

      SSW 10kt
      < 1ft

    • Monday

      Monday:SSW wind 11 to 13 kt. A chance of rain. Waves 1 ft or less.

      SSW 13kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind around 10 kt. A chance of rain. Waves 1 ft or less.

      SSW 10kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 9 to 14 kt, with gusts as high as 21 kt. Rain. Waves 1 ft or less.

      SSW 14kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 10, 2026
Forecast Valid: 12pm PDT Apr 10, 2026-6pm PDT Apr 16, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Tonight
Variable winds less than 5 kt becoming SW 5 to 7 kt after midnight. Rain likely, mainly after 5am. Waves 1 ft or less.
Saturday
SSW wind 5 to 9 kt. Rain, mainly before noon. Waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Sunday Night
SSW wind 6 to 10 kt. A chance of rain. Waves 1 ft or less.
Monday
SSW wind 11 to 13 kt. A chance of rain. Waves 1 ft or less.
Monday Night
SSW wind around 10 kt. A chance of rain. Waves 1 ft or less.
Tuesday
SSW wind 9 to 14 kt, with gusts as high as 21 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: 11:27 am PDT Apr 10, 2026
Forecast Valid: 12pm PDT Apr 10, 2026-6pm PDT Apr 16, 2026
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