A 28-year-old Polish woman is missing in the Mid West Gascoyne.
Justyna Koziol was last seen at the Tradewind Apartments in Shark Bay about midnight.
It is believed she left the accommodation about 7am today.
She is described as having a tanned complexion, approximately 160cm tall, of slim/athletic build with long blonde hair. It is unknown what she is currently wearing.
Police and family members hold welfare concerns for Justyna due to her current state of mind. She also requires medication for a diagnosed illness.
The search will cease at last light this evening and recommence at first light tomorrow morning.
Anyone who sights Justyna is asked to call police immediately on 131 444.