Luke Cummins has been found safe and well.
The gardaí have thanked the public for their help.
Earlier: Gardaí appeal for help in finding missing Waterford teen
An appeal has been launched into the whereabouts of a teenager missing from Waterford.
15-year-old Luke Cummins was last seen in Tramore last Thursday evening.
He is described as being 5' 6'' tall and with short sandy coloured hair. He was wearing a grey hooded top with a black body warmer, blue jeans and black runners.
Anyone who has information on his whereabouts is asked to contact Tramore Gardaí or any Garda Station.