I've never fished there but here is my $0.02 worth. If I was in a tournament and the water conditions were the same as what you describe I would key in on transition areas that lead to the spawning areas. spinnerbaits, c-riged lizards,and a floating worm. Sounds like you did all that, I'd check all that again. You know how much a week changes things this time of the year. Good luck I hope you do well. Drew