For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

Today
High: 26 °F
E 15kt
2-3ft
Tonight
Low: 26 °F
ESE 20kt
5ft

Small Craft Advisory
Thursday
High: 32 °F
E 30kt
11ft

Gale Warning
Thursday Night
Low: 29 °F
E 30kt
12ft

Gale Warning
Friday
High: 33 °F
N 20kt
8ft
Friday Night
Low: 31 °F
E 25kt
8ft
Saturday
High: 34 °F
E 25kt
8-10ft
Saturday Night
Low: 26 °F
⇑NNW 35kt
12ft
Sunday
High: 32 °F
NNW 35kt⇓
13ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:08 am CDT Apr 1, 2026
Forecast Valid: 5am CDT Apr 1, 2026-6pm CDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

ESE wind 15 to 20 kt. Mostly cloudy. Waves 2 ft building to 5 ft.

Thursday

E wind 25 to 30 kt, with gusts as high as 35 kt. Snow likely before 1pm, then snow and sleet. The snow could be heavy at times. Waves 7 ft building to 11 ft.

Thursday Night

E wind 25 to 30 kt becoming NNE after midnight. Rain, snow, and sleet before 1am, then snow likely after 4am. Waves 12 ft subsiding to 9 ft.

Friday

N wind around 20 kt, with gusts as high as 30 kt. Snow likely, possibly mixing with sleet after 10am, then gradually ending. Waves 8 ft subsiding to 5 ft.

Friday Night

E wind 20 to 25 kt, with gusts as high as 30 kt. A chance of rain, snow, and sleet before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Waves 5 ft building to 8 ft.

Saturday

E wind 20 to 25 kt, with gusts as high as 35 kt. Snow before 1pm, then rain and snow likely. Waves 8 to 10 ft.

Saturday Night

NNW wind 20 to 25 kt increasing to 30 to 35 kt after midnight. Winds could gust as high as 40 kt. Rain and snow showers likely before 1am, then a chance of snow showers. Widespread freezing spray after 2am. Waves 7 ft building to 12 ft.

Sunday

NNW wind 30 to 35 kt decreasing to 20 to 25 kt in the afternoon. Winds could gust as high as 45 kt. Widespread freezing spray before 1pm. Mostly sunny. Waves 13 ft subsiding to 6 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.