We pulled boat limits each day out of Geneva State Park. Look for surface temperature increase to 60 degrees (or close) vs nearshore where is in low 50's. Typically fish were in 65-70 fow. Fish were all in the upper water column - between 20 and 30 foot down. Catch was with TruTrip 40's with leads of 50ft, 65ft, and 75ft using small stinger spoons with purples and dark reds leading. Down speed was 2.0-2.5. We mostly did west and east troll but others told us they were doing well with a north and south troll. So sounds like just mark the feeding fish and you are good to go.