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Seattle, WA Local Forecast Office

20NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SW wind around 13 kt. Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Waves around 1 ft.

      SW 13kt
      1ft

    • Tonight

      Tonight:SSW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Rain showers likely before 5am, then a chance of rain and snow showers. Some thunder is also possible. Waves 1 ft or less.

      SSW 11kt⇓
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Rain likely, mainly between 3pm and 4pm. Waves 1 ft or less.

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:Variable winds less than 5 kt becoming S 5 to 9 kt in the evening. Rain. Waves 1 ft or less.

      ⇑S 9kt
      < 1ft

    • Saturday

      Saturday:SSW wind around 14 kt. Rain. Waves around 1 ft.

      SSW 14kt
      1ft

    • Saturday Night

      Saturday Night:S wind 9 to 11 kt. Rain. Waves around 1 ft.

      S 11kt
      1ft

    • Sunday

      Sunday:S wind 6 to 8 kt becoming NNE in the afternoon. Rain. Waves 1 ft or less.

      S 8kt
      < 1ft

    • Sunday Night

      Sunday Night:NNE wind around 7 kt becoming SSW in the evening. Rain. Waves 1 ft or less.

      NNE 7kt
      < 1ft

    • Monday

      Monday:SW wind around 8 kt. Rain. Waves 1 ft or less.

      SW 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:33 pm PDT Mar 13, 2025
Forecast Valid: 1pm PDT Mar 13, 2025-6pm PDT Mar 19, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
SW wind around 13 kt. Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Waves around 1 ft.
Tonight
SSW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Rain showers likely before 5am, then a chance of rain and snow showers. Some thunder is also possible. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Rain likely, mainly between 3pm and 4pm. Waves 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming S 5 to 9 kt in the evening. Rain. Waves 1 ft or less.
Saturday
SSW wind around 14 kt. Rain. Waves around 1 ft.
Saturday Night
S wind 9 to 11 kt. Rain. Waves around 1 ft.
Sunday
S wind 6 to 8 kt becoming NNE in the afternoon. Rain. Waves 1 ft or less.
Sunday Night
NNE wind around 7 kt becoming SSW in the evening. Rain. Waves 1 ft or less.
Monday
SW wind around 8 kt. Rain. Waves 1 ft or less.

Winds and waves higher in and near tstms.

*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: 47.29°N 122.45°W
Last Update: 1:33 pm PDT Mar 13, 2025
Forecast Valid: 1pm PDT Mar 13, 2025-6pm PDT Mar 19, 2025
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