February 17 – 18, 2018 and June 9 – 10, 2018.

Two days twice a year, families and friends can enjoy one of Michigan’s premiere outdoor activities, Michigan Fishing, for FREE! …

All fishing license fees will be waived for two days. Residents and out-of-state visitors may enjoy fishing on both inland and Great Lakes’ waters for all species of fish. All fishing regulations will still apply.

http://www.michigan.gov/dnr/0,4570,7-153-10364_52261_50497-194238–,00.html