National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

16NM NNW Seattle WA

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:SSE wind 5 to 10 kt. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

      SSE 10kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds less than 5 kt becoming NE 5 to 7 kt. Increasing clouds. Waves 1 ft or less.

      ⇑NE 7kt
      < 1ft

    • Saturday

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

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:N wind 5 to 8 kt. Partly cloudy. Waves 1 ft or less.

      N 8kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming NNW 5 to 9 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      ⇑NNW 9kt
      < 1ft

    • Sunday Night

      Sunday Night:NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      NNW 9kt⇓
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Sep 17, 2026
Forecast Valid: 12am PDT Sep 18, 2026-6pm PDT Sep 24, 2026

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
SSE wind 5 to 10 kt. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming NE 5 to 7 kt. Increasing clouds. Waves 1 ft or less.
Saturday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Saturday Night
N wind 5 to 8 kt. Partly cloudy. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming NNW 5 to 9 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Sunday Night
NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Partly 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: 47.89°N 122.47°W
Last Update: 11:26 pm PDT Sep 17, 2026
Forecast Valid: 12am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
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