For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

Today
High: 33 °F
NE 10kt
1-2ft
Tonight
Low: 30 °F
E 20kt
5ft

Small Craft Advisory
Tuesday
High: 31 °F
E 20kt
5-7ft

Small Craft Advisory
Tuesday Night
Low: 21 °F
N 20kt
3-4ft
Wednesday
High: 29 °F
NNE 15kt
4ft
Wednesday Night
Low: 24 °F
⇑E 20kt
4ft
Thursday
High: 31 °F
E 30kt
10ft
Thursday Night
Low: 29 °F
ENE 35kt
11-12ft
Friday
High: 34 °F
NE 25kt
10ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:07 am CDT Mar 30, 2026
Forecast Valid: 6am CDT Mar 30, 2026-6pm CDT Apr 5, 2026

View Nearby Observations

Detailed Forecast

Today

NW wind 5 to 10 kt becoming NE in the afternoon. Mostly cloudy. Waves 1 to 2 ft.

Tonight

E wind 15 to 20 kt. Mostly cloudy. Waves 2 ft building to 5 ft.

Tuesday

E wind 10 to 20 kt. Snow showers likely, mainly between 7am and 1pm. Waves 5 to 7 ft.

Tuesday Night

N wind 10 to 20 kt. A slight chance of snow showers before 1am. Widespread freezing spray between 1am and 4am. Waves 3 to 4 ft.

Wednesday

NNE wind 10 to 15 kt. Partly sunny. Waves 4 ft subsiding to 1 ft.

Wednesday Night

E wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. Mostly cloudy. Waves 1 ft building to 4 ft.

Thursday

E wind 25 to 30 kt, with gusts as high as 40 kt. A chance of snow showers. Widespread freezing spray between 9am and 3pm. Waves 6 ft building to 10 ft.

Thursday Night

ENE wind 30 to 35 kt, with gusts as high as 40 kt. Snow showers likely. Waves 11 to 12 ft.

Friday

NE wind 15 to 25 kt, with gusts as high as 35 kt. Mostly cloudy. Waves 10 ft subsiding 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.