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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

21NM S Seattle WA

Marine Point Forecast

[NOTICE]

    • Overnight

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

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming W 5 to 8 kt in the morning. A slight chance of rain, mainly between 9am and 11am. Waves 1 ft or less.

      ⇑W 8kt
      < 1ft

    • Saturday Night

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

      W 8kt⇓
      < 1ft

    • Sunday

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

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds less than 5 kt becoming N around 6 kt after midnight. Partly cloudy. Waves 1 ft or less.

      ⇑N 6kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming N 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.

      ⇑N 8kt
      < 1ft

    • Monday Night

      Monday Night:N wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      N 8kt⇓
      < 1ft

    • Tuesday

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

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:WNW wind around 6 kt becoming SW after midnight. Partly cloudy. Waves 1 ft or less.

      SW 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 21, 2026
Forecast Valid: 11pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming W 5 to 8 kt in the morning. A slight chance of rain, mainly between 9am and 11am. Waves 1 ft or less.
Saturday Night
W wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Sunday Night
Variable winds less than 5 kt becoming N around 6 kt after midnight. Partly cloudy. Waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming N 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.
Monday Night
N wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Tuesday Night
WNW wind around 6 kt becoming SW after midnight. Partly 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: 47.27°N 122.44°W
Last Update: 11:26 pm PDT Aug 21, 2026
Forecast Valid: 11pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026
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