Christchurch Police is appealing for sightings of a 50-year-old woman, who has been missing since Wednesday

Rochelle Tabak -- also known as Rochelle Fleming -- left her home address at midday on April 16, and was last seen in Addington an hour later.

She told a friend she was going to the bank, but hasn't been seen since.

She is 154 centimetres tall with maroon-coloured hair, and was wearing a black jacket with a hood, black track pants, and black and white shoes.