An inflatables floatilla accounted for half of the 300 people rescued on NSW beaches across Australia Day with Surf Life Savers bracing for more across the long weekend.
The Nearshore Wave Tool, developed by NSW's Environment and Heritage scientists, is updated every hour, providing up-to-date information about coastal conditions.
A 2.5 metre tiger shark, known by locals as Trevor, has been filmed making an appearance on New Year's Eve near revellers swimming at Perth's Mullaloo Beach.
The South Australian Education Department has quickly backflipped on a pause to ocean activities for students across the state in response to a shark attack.
A young woman bitten by a shark in waters off Port Noarlunga, in Adelaide's south, has undergone surgery and remains in hospital with serious injuries to her face.
A member of the public alerted lifeguards that a shark was swimming near the shore before the shark alarm was activated, forcing everyone out of the water.