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

Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

4NM NW Seattle WA

Marine Point Forecast

[NOTICE]

    • Overnight

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

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:S wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

      S 7kt⇓
      < 1ft

    • Tuesday Night

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

      Light Wind
      < 1ft

    • Wednesday

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

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:N wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

      N 6kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming N 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      ⇑N 7kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      N 8kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Partly sunny. Waves 1 ft or less.

      ⇑SW 7kt
      < 1ft

    • Friday Night

      Friday Night:S wind 6 to 16 kt. Partly cloudy. Waves 1 ft or less.

      S 16kt
      < 1ft


Associated Zone Forecast which includes this point

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

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tuesday
S wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.
Wednesday Night
N wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming N 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
N wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Partly sunny. Waves 1 ft or less.
Friday Night
S wind 6 to 16 kt. 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: 47.66°N 122.43°W
Last Update: 11:26 am PDT Aug 17, 2026
Forecast Valid: 11pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
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