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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 15 °F
W 25kt
7ft

Small Craft Advisory
Tonight
Low: 12 °F
W 20kt
6ft

Small Craft Advisory
Wednesday
High: 21 °F
WSW 15kt
1-3ft
Wednesday Night
Low: 8 °F
WNW 25kt
6ft
Thursday
High: 10 °F
WNW 25kt
6-7ft
Thursday Night
Low: -6 °F
NW 25kt
7-8ft
Friday
High: 2 °F
NW 25kt
6-8ft
Friday Night
Low: -3 °F
NW 20kt
6ft
Saturday
High: 8 °F
W 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:18 pm CST Jan 20, 2026
Forecast Valid: 2pm CST Jan 20, 2026-6pm CST Jan 26, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

W wind 20 to 25 kt, with gusts as high as 30 kt. Snow showers likely, mainly after 5pm. Widespread freezing spray. Waves around 7 ft.

Tonight

W wind 15 to 20 kt, with gusts as high as 25 kt. Snow showers likely, mainly between 9pm and 3am. Widespread freezing spray before 10pm. Waves 6 ft subsiding to 3 ft.

Wednesday

WSW wind 10 to 15 kt. Snow showers likely, mainly after noon. Waves 1 to 3 ft.

Wednesday Night

WNW wind 15 to 25 kt. Snow showers likely. Widespread freezing spray after 10pm. Waves 2 ft building to 6 ft.

Thursday

WNW wind 20 to 25 kt. Snow showers likely. Widespread freezing spray. Waves 6 to 7 ft.

Thursday Night

NW wind around 25 kt, with gusts as high as 35 kt. Snow showers likely. Widespread freezing spray. Waves 7 to 8 ft.

Friday

NW wind 20 to 25 kt, with gusts as high as 35 kt. Snow showers likely. Widespread freezing spray. Waves 6 to 8 ft.

Friday Night

NW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow showers. Widespread freezing spray before 2am. Waves 6 ft subsiding to 3 ft.

Saturday

W wind 10 to 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 2 to 3 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.