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

12NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
SSW 9kt
< 1ft
Wednesday
SSW 11kt
< 1ft
Wednesday Night
SSW 6kt⇓
< 1ft
Thursday
SSW 8kt
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
S 6kt
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑S 6kt
< 1ft
Saturday Night
S 6kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 3:09 pm PST Jan 6, 2026
Forecast Valid: 6pm 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

SSW wind 7 to 9 kt. A chance of rain, mainly after 1am. Waves 1 ft or less.

Wednesday

SSW wind 9 to 11 kt. Rain, mainly before 2pm. Patchy fog between 9am and 11am. Waves 1 ft or less.

Wednesday Night

SSW wind around 6 kt becoming variable and less than 5 kt after midnight. Rain likely before 10pm, then snow likely, possibly mixed with rain. Waves 1 ft or less.

Thursday

SSW wind 5 to 8 kt. Rain and snow likely, becoming all rain after 10am. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of rain, mainly before 4am. Waves 1 ft or less.

Friday

S wind around 6 kt. A slight chance of rain before 10am. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A slight chance of rain after 4am. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming S around 6 kt in the morning. A chance of rain. Waves 1 ft or less.

Saturday Night

S wind around 6 kt becoming variable and less than 5 kt after midnight. 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.