Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Seattle, WA Local Forecast Office

18NM NW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
S 18kt
< 1ft

Gale Warning
Tonight
Light Wind
< 1ft

Small Craft Advisory
Wednesday
S 14kt
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
S 9kt
< 1ft
Friday Night
S 8kt
< 1ft
Saturday
S 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:29 am PST Jan 6, 2026
Forecast Valid: 12pm PST Jan 6, 2026-6pm PST Jan 12, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...

This Afternoon

S wind 11 to 18 kt, with gusts as high as 30 kt. Rain, mainly before 3pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers, mainly after 4am. Waves 1 ft or less.

Wednesday

S wind 9 to 14 kt, with gusts as high as 24 kt. Rain. Waves 1 ft or less.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Showers, mainly before 4pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.

Friday

S wind 7 to 9 kt. A chance of rain, mainly before 10am. Waves 1 ft or less.

Friday Night

S wind 6 to 8 kt. A slight chance of rain. Waves 1 ft or less.

Saturday

S wind 7 to 9 kt. A chance of 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.