RedactedNarrative: Operator of vessel #1 was cruising with his personal watercraft in front of the Silver Lake State Park.  Operator had his 11 year old daughter seated in front of him as a passenger.  The conditions were very windy and rough on this day.  Vessel #1 was struck by a wave and both the operator and passenger were thrown from the PWC.  Operator struck his face on the back of the passengers head causing facial injuries to the operator.  Both were wearing their life jackets.  No other injuries were reported.