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Marquette, MI Local Forecast Office

8NM SSE Copper Harbor MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 54 °F
SSE 10kt
< 1ft
Independence Day
High: 70 °F
SSE 10kt
2ft
Friday Night
Low: 59 °F
S 10kt
1-2ft
Saturday
High: 72 °F
Light Wind
< 1ft
Saturday Night
Low: 53 °F
Light Wind
< 1ft
Sunday
High: 63 °F
N 10kt
< 1ft
Sunday Night
Low: 52 °F
Light Wind
< 1ft
Monday
High: 64 °F
Light Wind
< 1ft
Monday Night
Low: 52 °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: 8:11 pm CDT Jul 3, 2025
Forecast Valid: 9pm CDT Jul 3, 2025-6pm CDT Jul 10, 2025

View Nearby Observations

Detailed Forecast

Tonight

SSE wind 5 to 10 kt. Widespread haze after 4am. Waves 1 ft or less.

Independence Day

SSE wind 5 to 10 kt, with gusts as high as 15 kt. Isolated showers before 11am, then isolated showers and thunderstorms between 11am and 3pm. Waves around 2 ft.

Friday Night

SSE wind 5 to 10 kt becoming SSW after midnight. A slight chance of showers after 1am. Waves 1 to 2 ft.

Saturday

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Waves 1 ft or less.

Sunday

N wind 5 to 10 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Monday

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

Monday Night

Variable winds 5 kt or less. Partly cloudy. 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.