While methods throughout Minnesota are not standard for determining lake ice-out dates, Lake Minnetonka is generally declared ice-free when a boat can pass through channels and navigate all portions of the lake.
Ice-out on Lake Minnetonka is determined through combined efforts of the Hennepin County Sheriff Office Water Patrol and Freshwater Society. Visit the DNR site for historical ice out dates and as they occur– View MN DNR Ice Out Website.
According to the MN DNR, the median ice out date is April 13; earliest is March 11, 1878; and latest is May 5, 2018. The records are from 1855 to 2018.Posted on: April 20th, 2019