 owner/operator of vessel 1 and Occupant, passenger, were fishing near Brenton Pt located in Rhode Island Sound at 0745.  Operator was at the wheel manipulating the engine to maintain steerage, Both subjects stated that there was no forwarning when the boat capsized.  Occupant stated to environmental police that the boat flipped from starboard to port as if a wave pushed the vessel over.  Occupant was able to climb on top of the hull while Operator stayed in the water and held onto the boat with Occupant assisting.  Both made it to shore and were transported to a nearby hospital.  Operator  suffered fatigue and mild hypothermia.  Occupant had a laceration to the back left side of his head.
NEWPORT                       