Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 6, 09:00 PM PST

For More Weather Information:

Seattle, WA Local Forecast Office

23NM N Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
S 6kt
< 1ft

Small Craft Advisory
Wednesday
S 14kt
< 1ft
Wednesday Night
WSW 6kt
< 1ft
Thursday
S 7kt
< 1ft
Thursday Night
⇑SSE 6kt
< 1ft
Friday
SSE 9kt
< 1ft
Friday Night
SE 8kt
< 1ft
Saturday
SE 9kt
< 1ft
Saturday Night
SSE 11kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 7:00 pm PST Jan 6, 2026
Forecast Valid: 8pm PST Jan 6, 2026-6pm PST Jan 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THIS EVENING...

Tonight

W wind around 6 kt becoming S after midnight. Rain likely, mainly after 5am. Waves 1 ft or less.

Wednesday

S wind 10 to 14 kt, with gusts as high as 21 kt. Rain, mainly before 1pm. Patchy fog between 10am and 11am. Waves 1 ft or less.

Wednesday Night

WSW wind around 6 kt. Rain likely. Waves 1 ft or less.

Thursday

S wind around 7 kt. Rain and snow likely, becoming all rain after 10am. Waves 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming SSE around 6 kt after midnight. A chance of rain, mainly before 4am. Waves 1 ft or less.

Friday

SSE wind around 9 kt. A slight chance of rain before 10am. Waves 1 ft or less.

Friday Night

SE wind around 8 kt. A slight chance of rain after 4am. Waves 1 ft or less.

Saturday

SE wind around 9 kt. A chance of rain. Waves 1 ft or less.

Saturday Night

SSE wind 9 to 11 kt. Rain likely. 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.