Operator of Vessel #1 stated he was following the shoreline and saw operator of Vessel #2.  Operator Vsl #1 assumed that Operator Vsl #2 saw him and was going to get out of the way.  However, instead Operator of Vsl #2 turned into him.  
Operator of Vessel #2 stated that Operator Vsl #1 was towing a tuber and did not have a spotter, and continued looking back, and ran in front of him.
East Tawas City               