RedactedNarrative: THROUGH INVESTIGATION, I FOUND THAT ON 06-13-2021 AT APPROXIMATELY 10:08 AM, THE UNITED STATES COAST GUARD 45' PATROL BOAT, OPERATED BY USCG BOATSWAIN, HAD TRAVELED THROUGH THE STURGEON BAY SHIPPING CANAL ON PLANE WHILE RESPONDING TO A SEARCH AND RESCUE CALL OFF OF BAY SHORE COUNTY PARK. USCG BOATSWAIN STATED HE HAD SLOWED THE BOAT WHILE COMING UNDER THE MAPLE/OREGON STREET BRIDGE AND THEN SPED BACK UP WHILE COMING UNDER THE MICHIGAN STREET BRIDGE, WHICH HAD BEEN OPENED FOR THEM. THE OWNER OF THE SAILBOAT "WATER MUSIC", V1 OWNER, STATED THE ACTIONS OF THE USCG 45 HAD THROWN A LARGE WAKE IN THE CANAL WHERE HIS SAILBOAT WAS TIED UP TO THE CENTERPOINTE MARINA DOCK, PARALLEL TO THE CANAL. V1 OWNER STATED THE OWNER OF A BOAT NAMED "SILK DOLL" HAD OBSERVED THIS WAKE, WHICH HAD CAUSED V1 OWNER'S SAILBOAT TO COLLIDE WITH THE SEAWALL, CAUSING DAMAGE TO THE METAL AND WOODEN RAIL ON THE STARBOARD SIDE OF HIS SAIL BOAT. V1 OWNER'S SAILBOAT WAS UNOCCUPIED AT THE TIME OF THE INCIDENT. I WAS UNABLE TO CONFIRM THE IDENTITY OF THE BOAT "SILK DOLL" TO CONFIRM THE STORY WITH THE REGISTERED OWNER. VIDEO IS AVAILABLE SHOWING THE USCG BOAT TRAVELING UNDERNEATH THE MICHIGAN STREET BRIDGE AT THIS DATE AND TIME WHILE ON PLANE. THE VIEW OF THE VIDEO IS FROM THE NORTH SIDE OF THE MICHIGAN STREET BRIDGE, LOOKING TOWARDS THE SOUTH. THERE WERE NO INJURIES FROM THIS INCIDENT AND THERE WAS NO DAMAGE TO THE USCG 45. THERE WERE NO OCCUPANTS ON "WATER MUSIC" AND V1 OWNER WAS NOT PRESENT AT THE TIM EOF THE INCIDENT.