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OFFICIAL · Severe weather
1 source
Observed · Updated
* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...Until noon EDT today. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Location 48.148, -88.547. ARC Warning did not create the underlying report.
Official
nws
nws, Oct 12 2026