Personal watercraft operator was accelerating just coming onto plane when he hit a large wave at approximately a 45 degree angle.  The impact with the wave caused him to lose control of the watercraft and his grip on the handlebars.  He was ejected off the port side of the PWC.  The heavy wave action on the lake was caused by high boat traffic in the area and moderate winds. He was wearing his lanyard kill switch and the vessel remained nearby. Another wave caused the watercraft to impact with the operator''s left upper leg.  Family members aboard a nearby boat placed him on a tubing device and transported him to shore.  He was transported by ambulance to a local hospital emergency room.  Preliminary diagnosis was a fractured left femur.  No registration, equipment, nor operation violations were found.  No damage occurred to the personal watercraft.
Dahinda