RedactedNarrative: OP1 operated his vessel, a 42-ft Viking Sportfisf, south approximately 23 Miles offshore of St. Augustine, Florida in a following sea.  The wave height was approximately 4-8 feet.  The vessel's stern lifted up due to the following sea and caused the passenger to get thrown forward and hit the helm/console.  Victim sustained a fractured left clavicle, and a fractured right heel.; Victim fractured left clavicle and a fractured right heel.