RedactedNarrative: Operator started back to the landing after spending a night on the lake bow fishing.  The operator stated that he had recently installed a bow fishing platform on the front of the boat.  The operator stated that when he started to speed up to go back to shore, water built up in the front of the boat and soon came over the bow.  Both subjects were able to swim to shore but the younger passenger was taken to the hospital for hypothermia.