For More Weather Information:

9NM SE Copper Harbor MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 10:08 pm CDT Aug 16, 2026
Forecast Valid: 12am CDT Aug 17, 2026-6pm CDT Aug 23, 2026

Overnight

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

Monday

W wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Waves 1 ft or less.

Monday Night

SSW wind around 10 kt becoming W after midnight. Winds could gust as high as 15 kt. A chance of showers, mainly after 1am. Waves 1 ft or less.

Tuesday

WNW wind 10 to 15 kt. Mostly cloudy, then gradually becoming sunny. Waves around 1 ft.

Tuesday Night

W wind 5 to 10 kt becoming NW after midnight. Mostly clear. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

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

Thursday Night

SSE wind 5 to 10 kt becoming SSW after midnight. Mostly 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.