Police are searching for Matthew Grieg, 41, who was last seen on Ridge Avenue, near Malua Bay, on the far South Coast about 2pm on January 4, 2014.

Matthew Grieg, 41, was last seen on Ridge Avenue, near Malua Bay.

Police are searching for a man who went missing near Batemans Bay on Saturday.

Matthew Grieg, 41, was last seen on Ridge Avenue, near Malua Bay, on the far South Coast about 2pm.

Family and police hold serious concerns for his welfare, and are urging anyone who may have seen him or have information on his whereabouts to come forward.

Mr Grieg has not been seen or heard from since Saturday afternoon.

He has a medical condition that requires ongoing treatment.

Local police have conducted extensive searches for Mr Grieg around Malua Bay and Batemans Bay without success.

He is Caucasian, 188cm tall and has blue eyes, a solid build and shaved blond/brown hair.

Mr Grieg also has a scar above his left eye and distinctive tattoos on both arms.

Police say he may be driving a white Holden Statesman, with NSW registration plate RMK-201.

Anyone with information should contact Crime Stoppers on 1800 333 000 or via its website.