RedactedNarrative: At approximately 1600 hours on August 23, 2020, a single vessel incident occurred on Lake Dora in Mount Dora, Lake County, Florida.  The male operator and 3 male passengers were eastbound on Lake Dora and headed to Gilbert Park in an attempt to avoid a thunderstorm. Despite the water being rough due to stormy weather and being on full plane, passenger attempted to stand on the bow of V-1.  Operator eased back the throttle, but passenger Victim still fell over the bow of V-1, per witness statements (acting as if surfing). Victim was struck in the head by V-1 causing serious trauma. Victim was loaded back into V-1, 911 was notified and operator drove to Gilbert park in Mount Dora, Florida.  Paramedics with Lake County Emergency Medical Services and Mount Dora Fire Rescue met them at the dock. Victim was treated then airlifted to Orlando Regional Medical Center where he remains in critical condition.; VICTIM sustained a serious head injury which consisted of a skull fracture and severe laceration which extended from his nasal region to his upper forehead. He may have impacted the lower unit of the motor attached to V-1.