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

Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:S wind around 6 kt becoming variable and less than 5 kt. Increasing clouds. Waves 1 ft or less.

      S 6kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds less than 5 kt becoming NNE around 6 kt in the evening. Partly cloudy. Waves 1 ft or less.

      ⇑NNE 6kt
      < 1ft

    • Monday

      Monday:NNE wind 6 to 8 kt. Mostly sunny. Waves 1 ft or less.

      NNE 8kt
      < 1ft

    • Monday Night

      Monday Night:NNE wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

      NNE 8kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. Partly sunny. Waves 1 ft or less.

      ⇑SW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 12 kt. A chance of rain, mainly after 11pm. Waves 1 ft or less.

      SW 12kt
      < 1ft

    • Wednesday

      Wednesday:S wind 10 to 12 kt. Rain. Waves 1 ft or less.

      S 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 7 to 9 kt. Rain likely. Waves 1 ft or less.

      SSW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 29, 2026
Forecast Valid: 12am PDT Aug 30, 2026-6pm PDT Sep 5, 2026

View Nearby Observations

Detailed Forecast


Overnight
S wind around 6 kt becoming variable and less than 5 kt. Increasing clouds. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.
Sunday Night
Variable winds less than 5 kt becoming NNE around 6 kt in the evening. Partly cloudy. Waves 1 ft or less.
Monday
NNE wind 6 to 8 kt. Mostly sunny. Waves 1 ft or less.
Monday Night
NNE wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. Partly sunny. Waves 1 ft or less.
Tuesday Night
SW wind around 12 kt. A chance of rain, mainly after 11pm. Waves 1 ft or less.
Wednesday
S wind 10 to 12 kt. Rain. Waves 1 ft or less.
Wednesday Night
SSW wind 7 to 9 kt. Rain likely. 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 Aug 29, 2026
Forecast Valid: 12am PDT Aug 30, 2026-6pm PDT Sep 5, 2026
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