


Special Marine Warning
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
918 WHUS53 KMQT 082252 SMWMQT LSZ240-241-263-082345- /O.NEW.KMQT.MA.W.0098.250808T2252Z-250808T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 652 PM EDT Fri Aug 8 2025 The National Weather Service in Marquette has issued a * Special Marine Warning for... Black River To Ontonagon MI... 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... Saxon Harbor WI to Black River MI... * Until 745 PM EDT. * At 652 PM EDT, a severe thunderstorm was located 13 nm east of Oak Point, or 49 nm southwest of The Western Lake Superior Buoy, moving east at 20 knots. HAZARD...Wind gusts 34 knots or greater 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. * The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4671 9040 4681 8985 4673 8984 4663 9001 4655 9030 4656 9034 4654 9038 4653 9039 4657 9042 4656 9044 4665 9044 TIME...MOT...LOC 2252Z 265DEG 20KT 4660 9045 HAIL...>.75IN WIND...>34KTS $$ TAP