Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

4NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
⇑N 7kt
< 1ft
Friday Night
N 6kt⇓
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 7:01 am PST Jan 21, 2026
Forecast Valid: 11am PST Jan 21, 2026-6pm PST Jan 27, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming N 5 to 7 kt in the morning. Sunny. Waves 1 ft or less.

Friday Night

N wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Partly sunny. 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.