Kirt,
There will always be good numbers of fish in University Bay right out of Green Bay. Pods of bigger fish seem to be off on their own out there. When you can find them, you can catch a bunch in a hurry. One key, is finding smaller humps on a trolling pass, substructure as I like to call it.
Most guys focus on the bigger reefs, but I’ve always done better on big fish by trolling over a series of smaller humps. I fish mostly the west side of the bay, which is where I’m assuming you’re going. It may be worth the 20 minute drive one or two days to drive the truck up to Oconto so you can fish the stuff up there too (without putting the extra 20 miles each way on the boat).