Win cash prizes during Memorial Weekend fishing derby. #PentwaterSportfishingAssociation PENTWATER — The Pentwater Sportfishing Association is hosting the 34th Annual Memorial Weekend Fishing Derby, May 26 through May 28. This event is the largest amateur fishing derby in this area, with prizes totaling over $5,000 for the winners. Registration starts at 4 p.m. Friday, May 25, at the Pentwater Village…