BOAT LEFT GREEN BAY METRO BOAT LANDING HEADING NORTH TOWARD AREA OF LONG TAIL POINT WHERE IT ENCOUNTERED WAVES 3 TO 5 FEET HIGH. BOAT OPERATOR NEGOTIATED A TURN TO RETURN SOUTH TO THE BOAT LANDING. WAVES BEGAN COMING OVER THE BOW WHEN BOAT ENCOUNTERED MULTIPLE BOAT WAKES FROM OTHER BOATS HEADING SOUTH. BOAT ENCOUNTERED A LARGE BOAT WAKE OVER THE STERN WHICH SPUN THE BOAT AROUND & THEN MORE BOAT WAKES STRUCK THE BOAT. THE BOAT BILGE PUMP WAS UNABLE TO KEEP UP WITH THE WATER INFLOW AND BEGAN TO SINK. ALL FOUR OCCUPANTS WEARING PFD's ABANDONED THE BOAT IN WATER DEPTH OF 3 TO 4 FEET. BOAT EVENTUALLY SUNK ON THE SOUTHWEST TIP OF LONG TAIL POINT. USCG RESPONDED & RESCUED THE FOUR OCCUPANTS FROM THE WATER. BAY MARINE & ICE RECOVERY WAS HIRED TO RECOVER THE BOAT. NO INJURIES WERE REPORTED.
GREEN BAY                     