Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

3NM N Copper Harbor MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 4 °F
N 30kt
12ft

Gale Warning
M.L.King Day
High: 8 °F
NNW 30kt
13ft

Gale Warning
Monday Night
Low: 4 °F
NW 25kt
5-6ft
Tuesday
High: 14 °F
WNW 20kt
5ft
Tuesday Night
Low: 11 °F
WSW 15kt
5ft
Wednesday
High: 18 °F
WNW 15kt
2-3ft
Wednesday Night
Low: 7 °F
NW 20kt
4-6ft
Thursday
High: 10 °F
NW 20kt
5-6ft
Thursday Night
Low: -1 °F
NW 20kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:43 pm CST Jan 18, 2026
Forecast Valid: 9pm CST Jan 18, 2026-6pm CST Jan 25, 2026

View Nearby Observations

Detailed Forecast

Tonight

N wind 20 to 30 kt, with gusts as high as 40 kt. Snow showers. Widespread freezing spray. Waves 6 ft building to 12 ft.

M.L.King Day

NNW wind 20 to 30 kt, with gusts as high as 40 kt. Snow showers. Widespread freezing spray. Waves 13 ft subsiding to 7 ft.

Monday Night

NW wind 20 to 25 kt. Snow showers likely, mainly before midnight. Widespread freezing spray. Waves 5 to 6 ft.

Tuesday

WNW wind around 20 kt, with gusts as high as 30 kt. A chance of snow showers. Widespread freezing spray before 3pm. Waves around 5 ft.

Tuesday Night

WSW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of snow showers. Waves 5 ft subsiding to 2 ft.

Wednesday

SW wind 10 to 15 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. A chance of snow showers. Waves 2 to 3 ft.

Wednesday Night

NW wind around 20 kt, with gusts as high as 30 kt. A chance of snow showers. Widespread freezing spray after 8pm. Waves 4 to 6 ft.

Thursday

NW wind around 20 kt, with gusts as high as 30 kt. A chance of snow showers. Widespread freezing spray before 1pm. Waves 5 to 6 ft.

Thursday Night

NW wind around 20 kt, with gusts as high as 30 kt. A chance of snow showers. Waves 4 to 5 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.