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

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Wednesday
SSW 15kt
< 1ft

Small Craft Advisory
Wednesday Night
SW 14kt
< 1ft
Thursday
SSW 13kt
< 1ft
Thursday Night
SSW 10kt
< 1ft
Friday
S 9kt
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
S 6kt
< 1ft
Saturday Night
S 6kt
< 1ft
Sunday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:25 am PST Jan 7, 2026
Forecast Valid: 1am PST Jan 7, 2026-6pm PST Jan 13, 2026

View Nearby Observations

Detailed Forecast

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

Wednesday

SSW wind 13 to 15 kt. Rain and snow, becoming all rain after 10am. Waves 1 ft or less.

Wednesday Night

SW wind 11 to 14 kt. A chance of rain showers before 4am, then snow showers likely, possibly mixed with rain. Waves 1 ft or less.

Thursday

SSW wind around 13 kt. Rain and snow showers likely, becoming all rain after 10am. Waves 1 ft or less.

Thursday Night

SSW wind 8 to 10 kt. A chance of showers, mainly before 4am. Waves 1 ft or less.

Friday

S wind 7 to 9 kt. A slight chance of showers 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

S wind around 6 kt. A chance of rain, mainly after 10am. Waves 1 ft or less.

Saturday Night

S wind around 6 kt. A chance of rain. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. 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.