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Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

23NM S Seattle WA

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:Variable winds 5 kt or less. Patchy fog before 10am. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Patchy fog before 8am. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

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

      Light Wind
      < 1ft

    • Tuesday Night

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

      Light Wind
      < 1ft

    • Wednesday

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

      Light Wind
      < 1ft

    • Wednesday Night

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

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.

      ⇑N 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 12:25 am PDT Sep 20, 2026
Forecast Valid: 4am PDT Sep 20, 2026-6pm PDT Sep 26, 2026

View Nearby Observations

Detailed Forecast


Sunday
Variable winds 5 kt or less. Patchy fog before 10am. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Patchy fog before 8am. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Mostly cloudy. 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: 47.25°N 122.43°W
Last Update: 12:25 am PDT Sep 20, 2026
Forecast Valid: 4am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
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