Police search for missing Sydney woman

Police are seeking public help as they look for a woman who has gone missing in Sydney's west.

Rosslyn Burnie, 50, was last seen leaving her home on Coolabah Place in Blacktown on Saturday night and police say her family hold serious concerns for her welfare.

She's described as Caucasian with shoulder-length blonde hair and a thick fringe, and was last seen wearing dark blue jeans, a dark-coloured jumper and brown vest.