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20NM SSW Seattle WA

[NOTICE]

Last Update: 3:40 pm PDT Mar 20, 2025
Forecast Valid: 6pm PDT Mar 20, 2025-6pm PDT Mar 27, 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Tonight

S wind 16 to 26 km/h, with gusts as high as 34 km/h. Rain, mainly before 4am. Waves 1 m or less.

Friday

SW wind 16 to 21 km/h. Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Waves 1 m or less.

Friday Night

SW wind 11 to 16 km/h. Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Waves 1 m or less.

Saturday

SSW wind 8 to 10 km/h. Rain likely, mainly after 11am. Waves 1 m or less.

Saturday Night

S wind 5 to 10 km/h. Rain. Waves 1 m or less.

Sunday

S wind 10 to 16 km/h. Rain. Waves 1 m or less.

Sunday Night

SSW wind 13 to 16 km/h. Rain. Waves 1 m or less.

Monday

SW wind around 11 km/h. Rain likely. Waves 1 m or less.

Monday Night

SW wind 6 to 11 km/h becoming variable and less than 5 km/h in the evening. A slight chance of rain. Waves 1 m or less.

*Notices:

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.
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.