RedactedNarrative: On July 16th at approximately 11:30 am, V1 was traveling north bound on West Lake Okoboji between Pillsbury point & Ft Dodge point.  V2 was also traveling north bound in the same location yet was behind and to the right of V1.  V1 made a right turn into the path of V2 and V2 could not avoid a collision with V1. V2 struck the starboard rear side of V1 and rode up on V1 to strike the passenger of V1, on the right side of his body.  All subjects were wearing life jackets and no alcohol was involved.