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18NM NW Seattle WA

[NOTICE]

Last Update: 8:00 am PDT Jul 5, 2025
Forecast Valid: 10am PDT Jul 5, 2025-6pm PDT Jul 11, 2025

Today

Variable winds less than 5 km/h becoming NNE 5 to 10 km/h in the afternoon. Partly sunny. Waves 1 m or less.

Tonight

NNE wind 5 to 10 km/h becoming variable and less than 5 km/h in the evening. Partly cloudy. Waves 1 m or less.

Sunday

Variable winds less than 5 km/h becoming N 6 to 11 km/h in the afternoon. Sunny. Waves 1 m or less.

Sunday Night

N wind 9 to 14 km/h becoming variable and less than 5 km/h after midnight. Mostly clear. Waves 1 m or less.

Monday

Variable winds less than 5 km/h becoming N 6 to 11 km/h in the afternoon. Sunny. Waves 1 m or less.

Monday Night

N wind 8 to 13 km/h becoming variable and less than 5 km/h in the evening. Mostly clear. Waves 1 m or less.

Tuesday

Variable winds less than 5 km/h becoming NNE 5 to 8 km/h in the afternoon. Sunny. Waves 1 m or less.

Tuesday Night

N wind 8 to 13 km/h becoming variable and less than 5 km/h in the evening. Partly cloudy. Waves 1 m or less.

Wednesday

Variable winds less than 5 km/h becoming SE 5 to 10 km/h in the afternoon. Patchy fog before 8am. 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.