


Special Marine Warning
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
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296 WHUS53 KDLH 082223 SMWDLH LSZ150-162-082330- /O.NEW.KDLH.MA.W.0028.250808T2223Z-250808T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Duluth MN 523 PM CDT Fri Aug 8 2025 The National Weather Service in Duluth MN has issued a * Special Marine Warning for... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... * Until 630 PM CDT. * At 522 PM CDT, a strong thunderstorm was located near Oak Island, or 35 nm southwest of The Western Lake Superior Buoy, moving east at 25 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Stockton Island, Ironwood Island, Michigan Island, Cat Island, Outer Island, and Madeline Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4682 9061 4701 9063 4705 9018 4677 9036 TIME...MOT...LOC 2222Z 264DEG 25KT 4692 9051 HAIL...<.75IN WIND...40KTS $$ Levens