For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 34 °F
NE 15kt
2ft
Tonight
Low: 29 °F
ENE 20kt
5ft

Small Craft Advisory
Tuesday
High: 31 °F
E 20kt
5-6ft

Small Craft Advisory
Tuesday Night
Low: 22 °F
NNE 15kt
3-4ft

Small Craft Advisory
Wednesday
High: 30 °F
NE 15kt
2-3ft
Wednesday Night
Low: 26 °F
⇑ENE 20kt
5ft
Thursday
High: 32 °F
E 30kt
10ft
Thursday Night
Low: 29 °F
ENE 30kt
10-11ft
Friday
High: 34 °F
NNE 25kt
8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:22 pm CDT Mar 30, 2026
Forecast Valid: 4pm CDT Mar 30, 2026-6pm CDT Apr 5, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind around 15 kt. Mostly cloudy. Waves around 2 ft.

Tonight

ENE wind 15 to 20 kt. A chance of snow showers, mainly after 3am. Waves 2 ft building to 5 ft.

Tuesday

E wind 15 to 20 kt. Snow showers likely, mainly before noon. Waves 5 to 6 ft.

Tuesday Night

NNE wind 10 to 15 kt. A chance of snow showers before 1am. Waves 3 to 4 ft.

Wednesday

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

Wednesday Night

ENE wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 1 ft building to 5 ft.

Thursday

E wind 25 to 30 kt, with gusts as high as 40 kt. Snow showers likely, mainly after 1pm. Widespread freezing spray between 10am and 1pm. Waves 6 ft building to 10 ft.

Thursday Night

ENE wind 25 to 30 kt. Snow showers. Waves 10 to 11 ft.

Friday

NNE wind 20 to 25 kt. Mostly cloudy. Waves 8 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.