A 2.5 metre shark has been spotted close to shore off Secret Harbour.
The bronze whaler was sighted by the Surf Life Saving helicopter around 10.12am on Wednesday about 30 metres offshore.
It is tracking north.
Although bronze whalers are not known to be aggressive, beachgoers are advised to be extra cautious when in the water.
Secret Harbour beach is now closed due to the shark sighting.
SLS Westpac Heli report 2.0m unknown sp. shark sighted 10:18hrs 29/09, RO318 Secret Harbour BEN Sign, north of Mandurah 20m offshore , Tracking North.
— Surf Life Saving WA (@SLSWA) September 29, 2021
Concerns for missing Bertram woman
Concept designs released of Safety Bay Foreshore development
McLaren driver clocked speeding at 259km/h on Forrest Highway
Man found dead inside Orelia home, one in custody
Nominations now open for Mandurah's 2027 Community Citizen of the Year Awards
Romanian national charged after police uncover ATM card skimming across Rockingham, Mandurah
Cooloongup man sentenced for poisoning dog before dumping body in rubbish bin
Bird flu vaccinations begin on little penguins at Penguin Island
Man fined $10k over shocking cruelty towards German Shepherd in Baldivis