Police on Auckland's North Shore are searching for an elderly man who has been missing from a rest home since five o'clock tonight.

Police are concerned for his safety due to a medical condition and they're worried he may be confused or agitated.

He's a 77-year old Caucasian and was wearing dark blue cardigan, cream coloured top and collared shirt with Anne Marie Court resthome name badge.

They are asking those in the Milford and Takapuna areas to keep a look out as he is known to frequent those areas.