ZCZC FA38 141048 UTC JUL PETERSBURG NAV WARN 143/26 GULF OF FINLAND. DIVING OPERATIONS 142100 THRU 191900 UTC JUL IN AREAS WITHIN 3 CABLES RADIUS FROM 60-06-24N 028-19-42E 60-09-00N 028-38-24E 60-04-54N 028-24-42E AREAS TEMPORARILY DANGEROUS FOR SHIPPING ANCHORING AND FISHING CANCEL 192000 UTC JUL. NNNN