Police are concerned about the safety of a Northland woman after she was reported missing a week ago.

Barbara Ann Moka, 38, was last seen in Rawene last Sunday morning and has not been in contact with her family and friends since then.

Kaikohe police say this is out of character for Ms Moka and they are concerned for her welfare.

She is described as Maori, 1.5m tall of thin build with black shoulder length hair. Anyone who has information as to her whereabouts can contact Detective Constable Bart Graham at Kaikohe police on 09 405 2993 or call Crimestoppers, anonymously, on 0800 555 111.