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

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. 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 SW 5 to 10 kt in the morning. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

      ⇑SW 10kt
      < 1ft

    • Tonight

      Tonight:SSW wind 8 to 11 kt. Mostly cloudy. Waves 1 ft or less.

      SSW 11kt
      < 1ft

    • Saturday

      Saturday:SW wind around 8 kt. Partly sunny. Waves 1 ft or less.

      SW 8kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      WSW 8kt⇓
      < 1ft

    • Sunday

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

      Light Wind
      < 1ft

    • Sunday Night

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

      NNE 9kt⇓
      < 1ft

    • Monday

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

      ⇑NNE 7kt
      < 1ft

    • Monday Night

      Monday 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

    • Tuesday

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

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jul 9, 2026
Forecast Valid: 6am PDT Jul 10, 2026-6pm PDT Jul 16, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.
Tonight
SSW wind 8 to 11 kt. Mostly cloudy. Waves 1 ft or less.
Saturday
SW wind around 8 kt. Partly sunny. Waves 1 ft or less.
Saturday Night
WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Sunday Night
NNE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming NNE 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.
Monday Night
N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. 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: 47.37°N 122.66°W
Last Update: 11:26 pm PDT Jul 9, 2026
Forecast Valid: 6am PDT Jul 10, 2026-6pm PDT Jul 16, 2026
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