One product issued by NWS for: 21NM E Grand Portage MN
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Marquette MI 306 AM EDT Mon May 11 2026 LSZ162-240>251-263>267-120715- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point 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- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 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 from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 306 AM EDT Mon May 11 2026 /206 AM CDT Mon May 11 2026/ This Hazardous Weather Outlook is for portions of Central Lake Superior...Eastern Lake Superior and Western Lake Superior. .DAY ONE...Today and Tonight There is a slight chance for thunderstorms over the far western lake tonight. See the latest Marine Discussion and Open Lake Forecast for additional details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Southerly gales of around 35 knots are possible over the central lake on Tuesday. See the latest Open Lake Forecast, Marine Discussion, and Marine Weather Message for additional details. Northwest to northerly gales of at least 35 knots are possible over the south central lake on Wednesday. See the latest Marine Discussion, Marine Weather Message, and Open Lake Forecast for additional details. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. $$