Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

7NM W Seattle WA

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NNE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      NNE 7kt⇓
      < 1ft

    • Thursday

      Thursday:N wind 8 to 10 kt. Sunny. Waves around 1 ft.

      N 10kt
      1ft

    • Thursday Night

      Thursday Night:N wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

      N 10kt⇓
      < 1ft

    • Juneteenth

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

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:N wind 5 to 7 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

      SSW 7kt
      < 1ft

    • Saturday

      Saturday:S wind 6 to 9 kt. Mostly sunny. Waves around 1 ft.

      S 9kt
      1ft

    • Saturday Night

      Saturday Night:S wind 5 to 8 kt. Mostly clear. Waves 1 ft or less.

      S 8kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

      ⇑N 6kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      N 9kt⇓
      < 1ft


Associated Zone Forecast which includes this point

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

View Nearby Observations

Detailed Forecast


Tonight
NNE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Thursday
N wind 8 to 10 kt. Sunny. Waves around 1 ft.
Thursday Night
N wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.
Juneteenth
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Friday Night
N wind 5 to 7 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.
Saturday
S wind 6 to 9 kt. Mostly sunny. Waves around 1 ft.
Saturday Night
S wind 5 to 8 kt. Mostly clear. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Sunny. Waves 1 ft or less.
Sunday Night
N wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. 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: 47.62°N 122.52°W
Last Update: 11:26 am PDT Jun 17, 2026
Forecast Valid: 6pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
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