Update, 5.30pm: Ocean users have been warned of a white shark which was detected off Ocean Reef this afternoon.
Surf Lifesaving WA said the tagged shark was detected by a receiver in the area six times from 3.51pm to 5.08pm.
A helicopter is patrolling the area.It is not known whether the beach has been closed.
Fisheries advise 2nd hand report of possible shark 50m offshore Secret Harbour SLSC (yesterday 5pm). Fisheries investigating.
Fisheries advise sighting of 5m shark at Jays Beach (close to shore), Augusta, at 0950.
Fisheries advise sighting 5m White shark between Coffin Island and Cape Vancouver, near Two People's Bay reported 1204
Fisheries advise sighting of 4m white shark at Stanley Island, near Parrys Beach, West of Denmark, at 0800. Reported 1340
Fisheries advise 4m shark sighting, (unknown species) at 7:20am, 15m offshore, south of Scarborough - Hale road. Reported 9:30am.
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