A shark has been spotted off the coast of Madora Bay.
A member of the public sighted the shark around 10.18am on Tuesday, just off Karinga Road about 100m offshore.
Beachgoers are advised to be extra vigilant when in the water.
Public report unknown sp. shark sighted 10:18hrs 31/12, Madora Bay, north of Mandurah 100m offshore , just off KARINGA rd. Reported 10:40hrs 31/12
— Surf Life Saving WA (@SLSWA) December 31, 2019