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Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

21NM N Seattle WA

Marine Point Forecast

[NOTICE]

    • Thursday

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

      ⇑NNW 7kt
      < 1ft

    • Thursday Night

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

      Light Wind
      < 1ft

    • Friday

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

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:NW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

      NW 6kt⇓
      < 1ft

    • Saturday

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

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:NNW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves 1 ft or less.

      NNW 10kt⇓
      < 1ft

    • Sunday

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

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:NNW wind 5 to 7 kt becoming variable and less than 5 kt. A chance of rain. Waves 1 ft or less.

      NNW 7kt⇓
      < 1ft

    • Memorial Day

      Memorial Day:S wind 13 to 16 kt, with gusts as high as 25 kt. Rain likely. Waves 1 ft or less.

      S 16kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT May 20, 2026
Forecast Valid: 2am PDT May 21, 2026-6pm PDT May 27, 2026

View Nearby Observations

Detailed Forecast


Thursday
Variable winds less than 5 kt becoming NNW 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Friday Night
NW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.
Saturday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Saturday Night
NNW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Sunday Night
NNW wind 5 to 7 kt becoming variable and less than 5 kt. A chance of rain. Waves 1 ft or less.
Memorial Day
S wind 13 to 16 kt, with gusts as high as 25 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: 47.97°N 122.33°W
Last Update: 11:26 pm PDT May 20, 2026
Forecast Valid: 2am PDT May 21, 2026-6pm PDT May 27, 2026
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