Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

Copper Harbor MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 63 °F
WNW 10kt
< 1ft
Tonight
Low: 52 °F
N 15kt
1-2ft

Small Craft Advisory
Sunday
High: 60 °F
N 15kt
2-4ft

Small Craft Advisory
Sunday Night
Low: 48 °F
Light Wind
1-2ft
Monday
High: 62 °F
Light Wind
< 1ft
Monday Night
Low: 51 °F
Light Wind
< 1ft
Tuesday
High: 62 °F
Light Wind
< 1ft
Tuesday Night
Low: 50 °F
Light Wind
< 1ft
Wednesday
High: 61 °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: 1:55 pm CDT Jul 5, 2025
Forecast Valid: 2pm CDT Jul 5, 2025-6pm CDT Jul 11, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

WNW wind 5 to 10 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog between 3pm and 4pm. Waves 1 ft or less.

Tonight

NW wind 10 to 15 kt becoming N after midnight. Showers likely, mainly before 10pm. Patchy dense fog before 3am. Waves 1 to 2 ft.

Sunday

N wind 10 to 15 kt. Sunny. Waves 2 to 4 ft.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 to 2 ft.

Monday

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

Monday Night

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

Tuesday

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

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Partly sunny. 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.