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20NM SW Seattle WA

[NOTICE]

Last Update: 8:01 pm PDT Oct 9, 2025
Forecast Valid: 10pm PDT Oct 9, 2025-6pm PDT Oct 16, 2025

Tonight

N wind 5 to 7 kt becoming SSW after midnight. Showers, mainly after 5am. Waves 1 ft or less.

Friday

SSW wind 5 to 7 kt. Rain, mainly before noon. Waves 1 ft or less.

Friday Night

SSW wind 6 to 8 kt. Rain. Waves 1 ft or less.

Saturday

SSW wind 8 to 12 kt. Rain. Waves 1 ft or less.

Saturday Night

SW wind around 11 kt. Rain. Waves 1 ft or less.

Sunday

SW wind around 10 kt. Rain likely, mainly after 11am. Waves 1 ft or less.

Sunday Night

SSW wind 5 to 8 kt becoming NNE after midnight. Rain. Waves 1 ft or less.

Columbus Day

NNE wind 8 to 10 kt. A chance of rain. Waves 1 ft or less.

Monday Night

NNE wind 9 to 12 kt. Mostly clear. Waves 1 ft 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.