RedactedNarrative: VESSEL 1 OPERATOR WAS FISHING ON PERCH LAKE AND PUT IN HIS ANCHOR. OPERATOR REPORTED THE ANCHOR LINE BECAME VERY TIGHT WHEN THE WIND PICK UP AND BLEW HIS BOAT. THE BOAT THEN STARTED TO TAKE ON WATER AND OPERATOR WENT OVERBOARD. AS OPERATOR WENT OVERBOARD THE BOAT  FLIPPED OVER. OPERATOR WAS NOT WEARING A LIFE JACKET AT THE TIME. WITH THE BOAT FLIPPED OVER OPERATOR HELD ONTO THE SIDE OF THE  BOAT. OPERATOR WAS ABLE TO FLIP THE BOAT OVER AND CLIMB INSIDE THE BOAT. OPERATOR REPORTED HE LAID ACROSS THE BOAT AND WAS VERY COLD. A PERSON DRIVING SOUTH ON DELTA DRUMMOND ROAD SAW SOMETHING ODD ON THE LAKE AND STOPPED. THEY SAW OPERATOR WAS IN  DISTRESS AND CALLED 911. BAYFIELD COUNTY DEPUTY WENT INTO THE WATER AND WAS ABLE TO PUSH THE OPERATOR INSIDE HIS BOAT TO SHORE. DEPUTY REPORTED THE BOAT WAS SUBMERGED AND ONLY LIKE THREE INCHES OF THE BOW WAS SHOWING. OPERATOR WAS  TREATED IN ASHLAND FOR HYPERTHERMIA AND TOLD ME HE THINKS HE WAS IN THE WATER FOR CLOSE TO 1.5 HOURS.