I fished North Michigan last week, it had 18-20" of ice. I caught 28, a few were 13". Called the park today and the ice is holding. I'm taking my brother up tomorrow. The weather forecast is for nice Sunday and cold the rest of the week. I should get another weekend or two to fish before I have to break out the long rods and the belly boat. Holding on to ice as long as I can. Enjoy! afishingfool