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 >

For More Weather Information:

Seattle, WA Local Forecast Office

21NM S Seattle WA

Marine Point Forecast

[NOTICE]

Overnight
SSW 10kt
1ft
Wednesday
SSW 13kt
< 1ft
Wednesday Night
SW 10kt
1ft
Thursday
SSW 10kt
< 1ft
Thursday Night
SSW 7kt
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 7:00 pm PST Jan 6, 2026
Forecast Valid: 11pm 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...

Overnight

SSW wind around 10 kt. A chance of rain. Waves around 1 ft.

Wednesday

SSW wind 10 to 13 kt. Rain, mainly before 1pm. Areas of dense fog before 11am. Waves 1 ft or less.

Wednesday Night

SW wind around 10 kt. Rain likely before 4am, then snow likely, possibly mixed with rain. Waves around 1 ft.

Thursday

SSW wind 8 to 10 kt. Rain and snow likely, becoming all rain after 7am. Waves 1 ft or less.

Thursday Night

SSW wind around 7 kt. A chance of rain. Waves 1 ft or less.

Friday

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

Saturday Night

Variable winds 5 kt or less. 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.