


Special Marine Warning
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
702 WHUS53 KMQT 152258 SMWMQT LSZ245-265-266-152345- /O.NEW.KMQT.MA.W.0079.250715T2258Z-250715T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 658 PM EDT Tue Jul 15 2025 The National Weather Service in Marquette has issued a * Special Marine Warning for... 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... Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore... Manitou Island to Point Isabelle MI... * Until 745 PM EDT. * At 658 PM EDT, severe thunderstorms were located along a line extending from near Manitou Island to 14 nm west of Stannard Rock to 7 nm northwest of Granite Point, moving east at 55 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * Locations impacted include... Stannard Rock. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4758 8657 4728 8646 4694 8666 4686 8757 4694 8770 4707 8768 4731 8777 4763 8667 TIME...MOT...LOC 2258Z 255DEG 53KT 4733 8764 4710 8755 4689 8767 HAIL...>.75IN WIND...40KTS $$ lc