He is described as a slender, light-skinned male in his mid teens, about 1.6m to 1.7m tall.
He has short, light brown hair, possibly dyed a brassy yellow colour.
He was last seen wearing a light grey hoodie with the hood up, dark grey, knee-length boardie-style shorts, and bare feet.
Police say anyone who sees any suspicious people or activity in the Onehunga area should call 111.
People with information on the latest incident, or any similar incidents, can call Detective Constable Pat Whitiora on 021 192 1053 or Crimestoppers, anonymously, on 0800 555 111.