I can't tell you if there is ice on it yet, but I can tell you were the walleye are... Here's a map:
http://maps.google.ca/maps/ms?ie=UTF...b6920c1fbc7491
This is were I've caught all of my walleyes. Try using jigs with big shiners, the walleye are greedy in this lake and you'll get all sizes!
P.S. sorry about the full link, the forum tools aren't working right for me, its been a problem for a while now.