RedactedNarrative: Vessel #1 turned in a circular pattern a few times in the northwest bay and then was heading towards the west channel.  
  
  Operator of vessel #1 noted that a boat (Vessel #3) had a tuber in the water as they were approaching the channel.  Operator of vessel #1 looked to the port side and noticed another PWC.  
  
  Vessel #2 swung very wide and was about to run into them.  Vessel #1 took an evasive move towards the shoreline where an overhanging tree was located.  
  
  At the PWC, vessel #1, started to hit the tree the driver fell off the port side of the PWC, into the water.  
  
  The passenger was thrown off the PWC and went through the tree getting cut, scratched and bruised.  
  
  Vessel #3 went over to where Vessel #1 was and asked if they were okay.  The driver and passenger of vessel#1 said they were okay.  When vessel #1 got back to their campsite they called the county sheriff.  But the time the Sheriff's deputy got there and took their statement the other PWC, vessel #2 had already loaded and left the lake.  No contact was ever made with Vessel #2.