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47.47 °N, 87.89 °W

Copper Harbor, MI Severe Weather Alertstar_ratehome

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Location: Copper Harbor, MI
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Small Craft Advisory
Issued: 7:58 PM Aug. 27, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
THURSDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
waves 5 to 8 ft occurring.

* WHERE...Upper Entrance of Portage Canal to Eagle River MI and
Eagle River to Manitou Island MI.

* WHEN...Until 8 PM EDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

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