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Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

Sunday
High: 32 °F
E 10kt
< 1ft
Sunday Night
Low: 30 °F
ESE 10kt
1ft
Monday
High: 33 °F
NNE 15kt
1-2ft
Monday Night
Low: 32 °F
ENE 20kt
6ft
Tuesday
High: 31 °F
ENE 20kt
6ft
Tuesday Night
Low: 21 °F
N 20kt
4-5ft
Wednesday
High: 27 °F
N 15kt
4ft
Wednesday Night
Low: 24 °F
⇑E 20kt
1-2ft
Thursday
High: 32 °F
E 20kt
3-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:07 am CDT Mar 29, 2026
Forecast Valid: 4am CDT Mar 29, 2026-6pm CDT Apr 4, 2026

View Nearby Observations

Detailed Forecast

Sunday

E wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

ESE wind 5 to 10 kt becoming N after midnight. Mostly cloudy. Waves around 1 ft.

Monday

NNE wind 10 to 15 kt becoming ENE in the afternoon. Mostly cloudy. Waves 1 to 2 ft.

Monday Night

ENE wind 15 to 20 kt. A chance of rain and snow showers before 10pm, then a chance of rain showers between 10pm and 4am, then a chance of snow showers after 4am. Waves 2 ft building to 6 ft.

Tuesday

ENE wind around 20 kt. A chance of snow showers, mainly before 1pm. Waves around 6 ft.

Tuesday Night

N wind around 20 kt. Widespread freezing spray after 11pm. Mostly cloudy. Waves 4 to 5 ft.

Wednesday

N wind 10 to 15 kt, with gusts as high as 20 kt. Widespread freezing spray before 9am. Partly sunny. Waves 4 ft subsiding to 1 ft.

Wednesday Night

NE wind 5 to 10 kt becoming E 15 to 20 kt after midnight. Partly cloudy. Waves 1 to 2 ft.

Thursday

E wind around 20 kt, with gusts as high as 25 kt. Widespread freezing spray between 11am and noon. Partly sunny. Waves 3 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.