🟡 Moderate

Gale Warning

Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border; Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore

Gale Warning issued May 4 at 3:50AM EDT until May 4 at 8:00PM EDT by NWS Marquette MI

Alert Description

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.

Safety Instructions

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.

Time Information

Effective

May 4, 2026, 4:00 PM

Expires

May 4, 2026, 8:00 PM

Issued

May 4, 2026, 7:50 AM

Alert Details

Severity

Moderate

Urgency

Expected

Certainty

Likely

Issued By

NWS Marquette MI

National Weather Service