document: Louis Harris, 18, has been missing since he was spotted near the pavilion walking up steps towards the pier at 04:30 GMT on 14 February.
  Dorset Police said it was "totally out of character" for him to disappear and they were "extremely" concerned.
  A spokeswoman added that specialist dive teams have been looking in Weymouth harbour.
  Mr Harris is white, about 5ft 10ins, slim, with brown short hair.
  He was last seen wearing a blue and white hooded Lacoste top, a white Fat Face checked shirt with a blue and red checked pattern, blue jeans and Vans shoes.
  Chief Inspector Steve Horton, of Dorset Police, said his family has not heard from him since he went missing.
summary: Police divers have been searching for a missing Dorchester man who was last seen on Weymouth beach.