Rodney Hacker, 82, was seen at an address in the Tuckton area of Bournemouth at around 5am on Friday, November 29.
It is believed he left the address in his vehicle, a silver Volkswagen Golf with the registration HG11 CJU.
He was then seen at the Hollywood Bowl at Westquay in Southampton at around 2.30pm on Friday, November 29.
Rodney is described as five feet ten inches tall and of medium build with thinning grey hair and glasses. He was wearing a blue coat, green trousers and black lace up formal shoes.
Inspector Richard Honnywill, of Dorset Police, said: “We are concerned for Rodney’s welfare and we are carrying out searches and enquiries to locate him.
“I am appealing for anyone with information regarding his whereabouts to please make contact with us.
“I would also like to make a direct plea to Rodney if you see this to please get in touch with us or your loved ones and let us know where you are. We just want to check that you are all right.”
Anyone with information or knowledge as to Rodney’s whereabouts is asked to contact Dorset Police at www.dorset.police.uk or by calling 101, quoting occurrence number 55240183423.
