RedactedNarrative: Operator #2 stated PWC #1 was doing "donuts" in one location as he approached. He indicated he was off to one side of PWC #1 when Operator #1 quickly steered out of the circular turns and moved into his path. Operator #2 had little, if any, time to react. Operator #2 said he believed Operator #1 did not notice him approaching and PWC #2 struck the right side of PWC #1. Life jackets were being worn on both PWCs and there were no injuries. Alcohol was not a factor. There was extensive damage to PWC #1 and minor damage to PWC #2.