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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

15NM S Seattle WA

Marine Point Forecast

[NOTICE]

    • Today

      Today:N wind 7 to 9 kt. Sunny. Waves 1 ft or less.

      N 9kt
      < 1ft

    • Tonight

      Tonight:N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      N 7kt⇓
      < 1ft

    • Tuesday

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

      ⇑WSW 6kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Waves 1 ft or less.

      WSW 8kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      ⇑SW 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind around 6 kt becoming S after midnight. Partly cloudy. Waves 1 ft or less.

      WSW 6kt
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.

      ⇑SW 8kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

      WSW 8kt⇓
      < 1ft

    • Friday

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

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 23, 2026
Forecast Valid: 10am PDT Aug 24, 2026-6pm PDT Aug 30, 2026

View Nearby Observations

Detailed Forecast


Today
N wind 7 to 9 kt. Sunny. Waves 1 ft or less.
Tonight
N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming WSW around 6 kt in the afternoon. Sunny. Waves 1 ft or less.
Tuesday Night
WSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Wednesday Night
WSW wind around 6 kt becoming S after midnight. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.
Thursday Night
WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Partly sunny. 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 122.31°W
Last Update: 11:26 pm PDT Aug 23, 2026
Forecast Valid: 10am PDT Aug 24, 2026-6pm PDT Aug 30, 2026
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