NRO arrived at Coldwater Lake at approximately 1520 hours and met with the driver.  Operator stated that he and his son were in the vessel cruising the lake.  Son was up front in the vessel, Son was wearing a PFD, while Operator operated the vessel.  Operator noticed a Jet Ski in front of them and decided to turn.  operator turned the boat right into a large wave that went over the bow of the vessel.  The wave swamped the vessel.  Operator accelerated trying to come out of the wave, but this pushed the bow of the vessle further underwater.  Operator the reversed the vessel and got the bow out of the water.  During this time Operator left the piloting seat to check on Son, Operator stated that he was in calf deep water when he reached the bow of the vessel. At some point when reaching the bow of the vessel Operator found himself off the vessel in the water.  Operator yelled at his son Son to stop the motor on the vessel.  Son jumped into the water with Operator, leaving the boat in gear.  
From the west shore of Coldwater Lake, good sam noticed a boat going in circles and two people in the water.  Good sam jumped on his PWC and went and picked up Operator and Son.  Good sam returned Operator to his vessel, which he took control of and took Son to shore.  Operator returned his vessel to the west shore of the lake.  
The vessel lost a large storage box from the bow of the vessel and also ripped off some of the aluminum off the the starboard side of the vessel.  No injuries were reported at the time.  The vessel had just been purchased by Operator and still had Oklahoma registration numbers on it.  Operator stated that he had purchased the vessel for $13,500, He estimated the damage to be over $2,000.
Coldwater