Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

Today
High: 17 °F
N 40kt
17-19ft

Storm Warning
Tonight
Low: 10 °F
N 40kt
18ft

Storm Warning
Tuesday
High: 21 °F
NNW 25kt⇓
10ft
Tuesday Night
Low: 15 °F
SSW 15kt
1-2ft
Wednesday
High: 33 °F
SW 15kt
1-2ft
Wednesday Night
Low: 29 °F
SW 10kt
1ft
Thursday
High: 34 °F
NW 10kt
1-2ft
Thursday Night
Low: 28 °F
⇑NNW 20kt
1-3ft
Friday
High: 35 °F
ENE 20kt
5-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:11 am CDT Mar 16, 2026
Forecast Valid: 11am CDT Mar 16, 2026-6pm CDT Mar 22, 2026

View Nearby Observations

Detailed Forecast

Today

N wind 35 to 40 kt, with gusts as high as 55 kt. Snow likely. Widespread freezing spray. Waves 17 to 19 ft.

Tonight

N wind 30 to 40 kt, with gusts as high as 50 kt. Snow showers likely, mainly before 9pm. Widespread freezing spray. Waves 18 ft subsiding to 12 ft.

Tuesday

NNW wind 20 to 25 kt becoming WNW 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. A chance of snow showers before 1pm. Widespread freezing spray before 1pm. Waves 10 ft subsiding to 3 ft.

Tuesday Night

SSW wind 5 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

SW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 to 2 ft.

Wednesday Night

SW wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves around 1 ft.

Thursday

NW wind around 10 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 to 2 ft.

Thursday Night

WSW wind 5 to 10 kt becoming NNW 15 to 20 kt after midnight. Mostly cloudy. Waves 1 to 3 ft.

Friday

NE wind 15 to 20 kt becoming ESE in the afternoon. A chance of snow showers. Waves 5 to 6 ft.

*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.