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

Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

35NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

    • Overnight

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

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday

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

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:WSW wind 6 to 13 kt. A chance of rain after 11pm. Waves 1 ft or less.

      WSW 13kt
      < 1ft

    • Saturday

      Saturday:SW wind 12 to 15 kt. A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Waves 1 ft or less.

      SW 15kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind 9 to 15 kt, with gusts as high as 21 kt. A slight chance of rain. Waves 1 ft or less.

      WSW 15kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 18, 2026
Forecast Valid: 11pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Friday Night
WSW wind 6 to 13 kt. A chance of rain after 11pm. Waves 1 ft or less.
Saturday
SW wind 12 to 15 kt. A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Waves 1 ft or less.
Saturday Night
WSW wind 9 to 15 kt, with gusts as high as 21 kt. A slight chance of rain. 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 123.13°W
Last Update: 11:26 pm PDT Aug 18, 2026
Forecast Valid: 11pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
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