Wellington police are appealing for public help to find 52-year old Antony Gerard Farrell.
"Antony was last seen on Monday, January 31 at around 2am on Te Ore Ore Road Masterton, and is understood to have travelled to the Lake Ferry area," a police spokesperson says.
Police and Farrell's family say they are concerned for his welfare.
Extensive enquiries to locate him have been unsuccessful, and police are now appealing to the public for help.
He is about 168cm tall and of medium build.
Police urge anyone with any information regarding Farrell's whereabouts to call 105 referencing file number 220201/5013.