He was last seen leaving his home address at 02.45am on Friday (March 17).
It is believed he may have travelled to South Wales from Rochdale.
Wesley also has links to the Worcestershire area.
He is described as being 6ft tall of slim build, with brown hair and brown eyes.
He was last seen wearing a grey hooded jacket and blue joggers.
Officers are becoming increasingly concerned for Wesley's welfare and want to know that he is safe and well.
Any information regarding the whereabouts of Wesley should be reported to 0161 856 8424 quoting reference MSP/06PP/0000423/23.
