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Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

Friday
High: 24 °F
⇑NW 20kt
5ft

Small Craft Advisory
Friday Night
Low: 23 °F
NW 25kt
6-7ft

Small Craft Advisory
Saturday
High: 33 °F
WNW 15kt
5ft
Saturday Night
Low: 30 °F
S 15kt
1ft
Sunday
High: 35 °F
E 10kt
1ft
Sunday Night
Low: 30 °F
Light Wind
< 1ft
Monday
High: 33 °F
NE 10kt
1ft
Monday Night
Low: 31 °F
⇑E 20kt
4ft
Tuesday
High: 36 °F
E 25kt
5-7ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:17 am CDT Mar 27, 2026
Forecast Valid: 4am CDT Mar 27, 2026-6pm CDT Apr 2, 2026

View Nearby Observations

Detailed Forecast

Friday

NW wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. A chance of snow showers, mainly after 1pm. Waves 1 ft building to 5 ft.

Friday Night

NW wind 20 to 25 kt, with gusts as high as 30 kt. A slight chance of snow showers before 7pm. Widespread freezing spray after 8pm. Waves 6 to 7 ft.

Saturday

WNW wind 10 to 15 kt becoming S in the afternoon. Winds could gust as high as 20 kt. A slight chance of snow showers after 1pm. Waves 5 ft subsiding to 1 ft.

Saturday Night

S wind 10 to 15 kt becoming ESE after midnight. Mostly cloudy. Waves around 1 ft.

Sunday

E wind around 10 kt becoming NNE in the afternoon. Partly sunny. Waves around 1 ft.

Sunday Night

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

Monday

N wind around 10 kt becoming ENE in the afternoon. Partly sunny. Waves around 1 ft.

Monday Night

E wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of rain and snow showers before 1am. Waves 1 ft building to 4 ft.

Tuesday

E wind 20 to 25 kt, with gusts as high as 30 kt. A chance of showers. Waves 5 to 7 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.