For More Weather Information:

Marquette, MI Local Forecast Office

Copper Harbor MI

Marine Point Forecast

[NOTICE]

Today
High: 68 °F
SE 15kt
1-2ft

Small Craft Advisory
Tonight
Low: 52 °F
SSE 15kt
1-2ft

Small Craft Advisory
Thursday
High: 71 °F
WSW 15kt
1-2ft

Small Craft Advisory
Thursday Night
Low: 49 °F
⇑WSW 15kt
1-2ft
Friday
High: 67 °F
WSW 20kt
3ft
Friday Night
Low: 50 °F
WSW 15kt
2-3ft
Saturday
High: 64 °F
WSW 20kt
2-3ft
Saturday Night
Low: 46 °F
W 10kt
2ft
Sunday
High: 61 °F
W 15kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:08 am CDT Jun 10, 2026
Forecast Valid: 11am CDT Jun 10, 2026-6pm CDT Jun 16, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms after 4pm. Patchy dense fog before 1pm. Waves 1 to 2 ft.

Tonight

SSE wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Waves 1 to 2 ft.

Thursday

WSW wind 10 to 15 kt becoming SSW in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers after 4pm. Waves 1 to 2 ft.

Thursday Night

WSW wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Showers likely, mainly between 7pm and 1am. Waves 1 to 2 ft.

Friday

WSW wind around 20 kt, with gusts as high as 30 kt. Mostly sunny. Waves around 3 ft.

Friday Night

WSW wind 10 to 15 kt, with gusts as high as 25 kt. Partly cloudy. Waves 2 to 3 ft.

Saturday

WSW wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Waves 2 to 3 ft.

Saturday Night

W wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves around 2 ft.

Sunday

W wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves around 2 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.