Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

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. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Tonight
Low: 31 °F
Light Wind
1-2ft
Thursday
High: 36 °F
Light Wind
< 1ft
Thursday Night
Low: 25 °F
N 10kt
< 1ft
Friday
High: 32 °F
N 10kt
< 1ft
Friday Night
Low: 24 °F
E 10kt
< 1ft
Saturday
High: 29 °F
NNE 15kt
1-2ft
Saturday Night
Low: 14 °F
N 15kt
1-2ft
Sunday
High: 26 °F
WSW 10kt
< 1ft
Sunday Night
Low: 21 °F
WSW 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:16 pm CST Jan 7, 2026
Forecast Valid: 6pm CST Jan 7, 2026-6pm CST Jan 14, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Patchy fog after 2am. Waves 1 to 2 ft.

Thursday

Variable winds 5 kt or less. Patchy fog before 10am. Waves 1 ft or less.

Thursday Night

NE wind 5 to 10 kt becoming N after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Friday

N wind 5 to 10 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Friday Night

W wind 5 to 10 kt becoming E after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

E wind 10 to 15 kt becoming NNE in the afternoon. Winds could gust as high as 30 kt. A chance of snow, mainly after noon. Waves 1 to 2 ft.

Saturday Night

N wind 10 to 15 kt, with gusts as high as 35 kt. Mostly cloudy. Waves 1 to 2 ft.

Sunday

N wind 5 to 10 kt becoming WSW in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

WSW wind around 10 kt, with gusts as high as 25 kt. Mostly cloudy. Waves around 1 ft.

Note...Wave height forecasts are for ice free areas.

*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.