For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 32 °F
NE 10kt
5ft

Small Craft Advisory
Tonight
Low: 23 °F
NNE 15kt
4ft

Small Craft Advisory
Wednesday
High: 26 °F
E 15kt
2-3ft
Wednesday Night
Low: 26 °F
E 20kt
6ft
Thursday
High: 32 °F
E 30kt
12ft
Thursday Night
Low: 29 °F
E 30kt
13ft
Friday
High: 33 °F
N 25kt
8ft
Friday Night
Low: 30 °F
ENE 30kt
9ft
Saturday
High: 32 °F
ENE 30kt
9-11ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:46 pm CDT Mar 31, 2026
Forecast Valid: 4pm CDT Mar 31, 2026-6pm CDT Apr 6, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind around 10 kt. Mostly cloudy. Waves around 5 ft.

Tonight

NNE wind around 15 kt. Mostly cloudy. Waves around 4 ft.

Wednesday

E wind 10 to 15 kt. Mostly cloudy. Waves 2 to 3 ft.

Wednesday Night

E wind 10 to 20 kt, with gusts as high as 30 kt. A chance of snow, mainly after 1am. Waves 2 ft building to 6 ft.

Thursday

E wind 25 to 30 kt, with gusts as high as 40 kt. Snow likely before 10am, then snow and sleet. Waves 8 ft building to 12 ft.

Thursday Night

E wind 25 to 30 kt becoming N after midnight. Winds could gust as high as 40 kt. Snow and sleet, becoming all snow after 7pm. Waves 13 ft subsiding to 9 ft.

Friday

N wind 15 to 25 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 8 ft subsiding to 4 ft.

Friday Night

ENE wind 20 to 30 kt. A chance of snow showers. Waves 5 ft building to 9 ft.

Saturday

ENE wind 25 to 30 kt. Rain and snow showers, becoming all snow after 1pm. Waves 9 to 11 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.