The RAC rescue helicopter has landed at an oval in Halls Head following an air and sea search in the Mandurah Estuary.
It is understood a flare sighting was reported to police around 7.35pm on Monday.
Water Police, the rescue helicopter and Mandurah Volunteer Marine Rescue conducted an extensive search soon after in waters around Creery Island off Erskine.
It is believed the rescue chopper landed at Peelwood Reserve in Halls Head around 9pm where it was met by a waiting ambulance.
The circumstances surrounding the search are still unclear.
More to come.
Hayden Ballantyne signs with Rockingham Rams
Mayor reassures community that 'no decision has been made' to close 4WD access at Tim's Thicket, White Hills beaches
DBCA 'sick and tired' of illegal access to Port Kennedy Scientific Park
Mandurah homeless camp goes up in flames
Dawesville community shocked after kangaroo deliberately mowed down
Teens armed with knife, scooter charged over Rockingham Shopping Centre fight
Mandurah private school teacher charged with alleged sexual abuse of male student
Welfare concerns for missing Ravenswood girl
Detectives investigate Rockingham aggravated robbery