RedactedNarrative: UNIT 01 WAS TRAVELING SOUTH/SOUTH WEST BETWEEN 10-15 MPH. THE WIND WAS OUT OF THE NORTH/NORTH EAST CAUSING STRONG WAVES APPROX 2-3 FEET TALL. UNIT 01 HAD A WAVE COME OVER THE STERN CAUSING UNIT 01 TO START TO TAKE ON WATER. UNIT 01 ATTEMPTED TO TURN TO FACE INTO THE INCOMING WAVES HOWEVER AS IT WAS DOING THIS ANOTHER WAVE CAME IN OVER THE PORT SIDE OF UNIT 01 CAUSING IT TO SINK LOWER INTO THE WATER. THE ENGINE BECAME SUBMERGED AND STOPPED WORKING. UNIT 01 OPERATOR AND PASSENGER WERE ABLE TO CALL 911 AND ABANDONED UNIT 01 AND WERE PICKED UP BY PASSING FISHERMAN. UNIT 01 WAS TOWED INTO A BOAT LAUNCH W/OUT INCIDENT BY THE SHERIFF'S OFFICE.