VESSEL WAS OUT IN THE MIDDLE OF THE LAKE WHEN THE WIND CHANGED DIRECTIONS AND STARTED BLOWING HARD APPROXIMATELY 20-30MPH.  WAVES WERE APPROXIMATELY 2-6 FEET.  OPERATOR TRIED TO MAKE IT TO SHORE BUT BOAT BEGAN TO TAKE ON WATER OVER THE BOW.  THE PASSENGERS TRIED TO MANUALLY BILGE THE WATER BUT WAS NOT SUCCESSFUL.  THE BOAT DID NOT HAVE A WORKING BILGE PUMP ON IT.  THE BOAT FINALLY TOOK ON ENOUGH WATER CAUSING IT TO CAPSIZE AND SINK TO THE BOTTOM OF THE LAKE.  THIS LEFT THE OPERATOR AND PASSENGERS IN THE WATER IN THE MIDDLE OF THE LAKE.  THE OPERATOR SWAM TO SHORE AND GOT HELP.  2 OF THE PASSENGERS WERE FOUND CLINGING TO A LIFE JACKET EACH AND THE OTHER PASSENGER WAS FOUND CLINGING TO A ICE COOLER BY THE HELPERS.  ONE OF THE PASSENGERS WAS TREATED FOR SYMPTOMS OF HYPOTHERMIA.
West Tawakoni                 