Police are urgently seeking information regarding the whereabouts of missing 24-year-old Shallen Young, who was last seen at her Dalyup home about 4am on Saturday, May 18.
Police believe Ms Young may have been walking along South Coast Highway early on Saturday morning, May 18, and concerns are held for her welfare.
Ms Young is described as fair skinned with a slim build, approximately 162 centimetres tall, with green eyes and short blonde hair.
Ms Young was last seen wearing a black jumper, dark pants and pink Ugg boots.
Anyone who sees Shallen or believe they have any information regarding her whereabouts is asked to contact police on 131 444.