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21NM S Seattle WA

[NOTICE]

Last Update: 7:01 pm PST Dec 5, 2025
Forecast Valid: 9pm PST Dec 5, 2025-6pm PST Dec 12, 2025

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

Tonight

SW wind 14 to 18 kt, with gusts as high as 25 kt. Rain likely, mainly after 1am. Waves around 1 ft.

Saturday

SW wind around 13 kt, with gusts as high as 20 kt. Rain, mainly before 5pm. Waves around 1 ft.

Saturday Night

S wind 6 to 10 kt. Rain, mainly after 7pm. Waves 1 ft or less.

Sunday

S wind 7 to 11 kt. Rain. Waves 1 ft or less.

Sunday Night

SSW wind 7 to 10 kt. Rain. Waves 1 ft or less.

Monday

S wind 8 to 15 kt, with gusts as high as 24 kt. Rain. Waves 1 ft or less.

Monday Night

SW wind 14 to 18 kt, with gusts as high as 27 kt. Rain. Waves around 1 ft.

Tuesday

S wind around 10 kt. Rain. Waves 1 ft or less.

Tuesday Night

SSW wind around 9 kt. Rain. 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.