A drone crew spotted the shark and a megaphone was used to alert swimmers and surfers to get out of the water.
The four sharks,one of which was 2.5 metres long,kept returning to the area forcing authorities to close the beaches for 24 hours.
North Broulee beach on the south coast was evacuated on Sunday.
Peter almost convinced himself it was a big fish next to his kayak,400 metres off the coast of Wollongong,just hours after a three metre shark was spotted at a beach.
What fisherman found inside their stomachs suggested they were very hungry.
A surfing beach near Geelong was closed after a three-metre shark was cruising near the shore,before another shark was spotted on the Mornington Peninsula.
A new drone operation has spotted 30 sharks,including a Great White,off Sydney's eastern beaches in six months.
A tagged tiger shark has forced an evacuation of swimmers out of the water at Swanbourne and North Cottesloe on the first 40-degree Celsius day of December.
Giant art installations outside the Australian National Maritime Museum highlight the case for shark protection and ecological sustainability.
The man received five deep lacerations to one of his lower legs when he was bitten by a shark at Nambucca Heads.
A shark biologist has assessed photographs of the surfer's wounds and identifed the culprit.