He was last seen, barefoot, in the Wakari area last Friday.
Mr Padget is 178cm tall and of solid build.
``It is believed he was wearing blue and white surf shorts, a blue Canterbury-branded T-shirt and had bare feet when he was last seen in the Wakari area of Dunedin,'' police said.
``Tom has friends and family in Eastern Southland and Central Otago and has hitchhiked to travel in the past.''
Dunedin police (03) 471-4800, Crimestoppers 0800-555-111.