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18NM NW Seattle WA

[NOTICE]

Last Update: 3:40 pm PDT Apr 30, 2025
Forecast Valid: 5pm PDT Apr 30, 2025-6pm PDT May 7, 2025

Tonight

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Thursday Night

NNE wind around 6 kt becoming variable and less than 5 kt in the evening. Clear. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. A slight chance of showers after 11am. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Showers likely, mainly after 11pm. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers, mainly before 11am. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Sunday Night

N wind around 6 kt becoming variable and less than 5 kt in the evening. 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.