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Marquette, MI Local Forecast Office

3NM N Copper Harbor MI

Marine Point Forecast

[NOTICE]

Tuesday
High: 60 °F
SSE 10kt
< 1ft
Tuesday Night
Low: 51 °F
N 10kt
1-2ft
Wednesday
High: 53 °F
NNE 15kt
2-3ft
Wednesday Night
Low: 52 °F
N 10kt
1-2ft
Thursday
High: 63 °F
N 10kt
1ft
Thursday Night
Low: 56 °F
Light Wind
< 1ft
Friday
High: 66 °F
Light Wind
< 1ft
Friday Night
Low: 56 °F
Light Wind
< 1ft
Saturday
High: 64 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:56 am CDT Jul 15, 2025
Forecast Valid: 3am CDT Jul 15, 2025-6pm CDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

Tuesday

SSE wind 5 to 10 kt becoming W in the afternoon. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Widespread haze between 8am and 11am, then Widespread haze between noon and 3pm. Areas of smoke before 8am. Waves 1 ft or less.

Tuesday Night

NW wind 5 to 10 kt becoming NNE after midnight. Winds could gust as high as 20 kt. Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Widespread haze between 11pm and midnight. Waves 1 to 2 ft.

Wednesday

NNE wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely, mainly before 1pm. Waves 2 to 3 ft.

Wednesday Night

N wind around 10 kt. A chance of showers. Waves 1 to 2 ft.

Thursday

N wind 5 to 10 kt becoming W in the afternoon. Sunny. Waves around 1 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

*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.