The 16 years old is described as of slim build with brown hair and he was wearing an Adidas tracksuit.
A police spokesperson said: “Daniel went missing from the Chapel Road area in Derry last night but has been seen close to Forestside Shopping Centre in Belfast at approximately 4am this morning.
“It is believed he is with his girlfriend Sophie Stephens.
“If either the two of you are reading this post please get in touch with your family.
“You are not in any trouble.
“If you have any information as to the whereabouts of Daniel please contact police on 101 quoting reference number 1462 of 27/09/18.”