Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

Wednesday
High: 2 °F
NNW 15kt
< 1ft
Wednesday Night
Low: -8 °F
N 10kt
< 1ft
Thursday
High: 1 °F
NNE 10kt
< 1ft
Thursday Night
Low: -7 °F
N 10kt
< 1ft
Friday
High: 10 °F
N 10kt
< 1ft
Friday Night
Low: 1 °F
N 10kt
< 1ft
Saturday
High: 16 °F
Light Wind
< 1ft
Saturday Night
Low: 10 °F
Light Wind
< 1ft
Sunday
High: 23 °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: 3:07 am CST Jan 28, 2026
Forecast Valid: 4am CST Jan 28, 2026-6pm CST Feb 3, 2026

View Nearby Observations

Detailed Forecast

Wednesday

NNW wind 10 to 15 kt. Partly sunny. Waves 1 ft or less.

Wednesday Night

N wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

NNE wind around 10 kt, with gusts as high as 15 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

N wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Friday

N wind around 10 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 ft or less.

Friday Night

N wind 5 to 10 kt, with gusts as high as 15 kt. Partly cloudy. 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. Mostly cloudy. Waves 1 ft or less.

Sunday

WSW wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

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.