Rick Z, if you want to try for Wipers on flies, I recommend you try Red Rock Spillway ASAP. Had a great day on the east side on 7-25-2013. I caught White Bass up to 16", and the Wipers were probably averaging 18" or so. Caught them all on Clouser Deep Minnows. Even caught a Freshwater Drum or two.
This Wiper was 18.5", but may not have been the biggest of the day:
This was one of the smaller Wipers:
And a little Drum: