This is a nice sized lake (+2300 acres) with good depth and structure

I would try 1st light in the early morning until about 10 am if it is hot out while you are there.
Here's a depth map of the lake....
http://www.dnr.state.mn.us/lakefind/showmap.html?mapid=B0098
And some info from the MN DNR website...
http://www.dnr.state.mn.us/lakefind/showreport.html?downum=18003400
If you PM me your email addy I can send you a marked map with a few spots to try
