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

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

    • This Afternoon

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

      Light Wind
      < 1ft

    • Tonight

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

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. 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:Variable winds less than 5 kt becoming SW 5 to 8 kt after midnight. A slight chance of showers after 11pm. Waves 1 ft or less.

      ⇑SW 8kt
      < 1ft

    • Saturday

      Saturday:SSW wind 8 to 11 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

      SSW 11kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 7 to 12 kt. Mostly cloudy. Waves 1 ft or less.

      SW 12kt
      < 1ft

    • Sunday

      Sunday:SSW wind around 7 kt. Mostly cloudy. Waves 1 ft or less.

      SSW 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Aug 19, 2026
Forecast Valid: 12pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. 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
Variable winds less than 5 kt becoming SW 5 to 8 kt after midnight. A slight chance of showers after 11pm. Waves 1 ft or less.
Saturday
SSW wind 8 to 11 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Saturday Night
SW wind 7 to 12 kt. Mostly cloudy. Waves 1 ft or less.
Sunday
SSW wind around 7 kt. Mostly 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: 47.37°N 122.63°W
Last Update: 11:26 am PDT Aug 19, 2026
Forecast Valid: 12pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026
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