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18NM NW Seattle WA

[NOTICE]

Last Update: 8:34 am PDT Jul 13, 2025
Forecast Valid: 2pm PDT Jul 13, 2025-6pm PDT Jul 19, 2025

This Afternoon

NNE wind 10 to 13 km/h. Sunny. Waves 1 m or less.

Tonight

NE wind 5 to 11 km/h. Mostly clear. Waves 1 m or less.

Monday

Variable winds less than 5 km/h becoming N 5 to 10 km/h in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 1 m or less.

Monday Night

NNW wind 8 to 13 km/h. Mostly clear. Waves 1 m or less.

Tuesday

N wind 8 to 16 km/h. Sunny. Waves 1 m or less.

Tuesday Night

NNW wind 11 to 16 km/h decreasing to 5 to 10 km/h after midnight. Clear. Waves 1 m or less.

Wednesday

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

Wednesday Night

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

Thursday

Variable winds less than 5 km/h becoming NNE 5 to 10 km/h in the morning. Sunny. 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.