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

Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns and the Tropics

Wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as Tropical Depression Two has formed, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

    • Today

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

      ⇑NNE 8kt
      < 1ft

    • Tonight

      Tonight:NNE wind 5 to 9 kt. Increasing clouds. Waves 1 ft or less.

      NNE 9kt
      < 1ft

    • Monday

      Monday:NNE wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

      NNE 6kt
      < 1ft

    • Monday Night

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

      Light Wind
      < 1ft

    • Tuesday

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

      Light Wind
      < 1ft

    • Tuesday Night

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

      Light Wind
      < 1ft

    • Wednesday

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

      Light Wind
      < 1ft

    • Wednesday Night

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

      Light Wind
      < 1ft

    • Thursday

      Thursday:SW wind 5 to 7 kt. A slight chance of rain. Waves 1 ft or less.

      SW 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jul 18, 2026
Forecast Valid: 10am PDT Jul 19, 2026-6pm PDT Jul 25, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming NNE 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.
Tonight
NNE wind 5 to 9 kt. Increasing clouds. Waves 1 ft or less.
Monday
NNE wind around 6 kt. Mostly cloudy. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Thursday
SW wind 5 to 7 kt. 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: 47.37°N 122.66°W
Last Update: 11:26 pm PDT Jul 18, 2026
Forecast Valid: 10am PDT Jul 19, 2026-6pm PDT Jul 25, 2026
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