If there is a season on the calendar that does not include fly fishing the state of Michigan does not know about it. This is a state that has something for everyone. And while winters require a certain amount of layering and fortitude fishing is done then too.
All the freshwater specis you can imagine including monster browns, steelies, smallmouths and salmon, run legandary rivers like the Pere Marquette, Manistee, Muskegon. And don't forget the flats of Lake Huron, you can hone those Tarpon skills on the Carp that lurk there.
And for trout the hatch lists are veertiable whose who of the classic hatches including that giant night time denizen the Hex.
An outstanding place to spend a week, two or an entire lifetime whiling away the hours with a fly rod in your hand.