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Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

18NM WNW Seattle WA

Marine Point Forecast

[NOTICE]

    • Today

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

      Light Wind
      < 1ft

    • Tonight

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

      Light Wind
      < 1ft

    • Saturday

      Saturday:SE wind 6 to 13 kt. A chance of rain after 11am. Waves 1 ft or less.

      SE 13kt
      < 1ft

    • Saturday Night

      Saturday Night:NE wind 5 to 10 kt becoming variable and less than 5 kt in the evening. A chance of rain. Waves 1 ft or less.

      NE 10kt⇓
      < 1ft

    • Sunday

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

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      N 7kt⇓
      < 1ft

    • Monday

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

      ⇑NNE 12kt
      < 1ft

    • Monday Night

      Monday Night:N wind 9 to 14 kt becoming variable and less than 5 kt after midnight. Clear. Waves 1 ft or less.

      N 14kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming NNE 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.

      ⇑NNE 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:43 am PDT Jul 31, 2026
Forecast Valid: 6am PDT Jul 31, 2026-6pm PDT Aug 6, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.
Saturday
SE wind 6 to 13 kt. A chance of rain after 11am. Waves 1 ft or less.
Saturday Night
NE wind 5 to 10 kt becoming variable and less than 5 kt in the evening. A chance of rain. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.
Sunday Night
N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming NNE 7 to 12 kt in the afternoon. Sunny. Waves 1 ft or less.
Monday Night
N wind 9 to 14 kt becoming variable and less than 5 kt after midnight. Clear. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming NNE 5 to 8 kt in the afternoon. 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: 47.7°N 122.76°W
Last Update: 1:43 am PDT Jul 31, 2026
Forecast Valid: 6am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
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