Vessel operator and passenger found on shoreline by day with no PFD's.  Park Rangers in patrol boat gave vessel operator and passenger PFD's.  Vessel operator and passenger attempted to return to launch area but struggled to maintain way.  Park Ranger  in patrol boat came up and began a tow but vessel operator refused.  Shortly thereafter  the operator and passenger fell into the water as a wave capsized the canoe.  Canoe then sank and vessel operator and passenger were both rescued by the Park Rangers.
Clayton                       