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Shark Warning System

The shark warning system uses lights, sirens and audio broadcasts to notify beach users of shark activity during the scientific non-lethal SMART drumline trial. The system will be activated by Department of Primary Industries and Regional Development when a SMART drumline is triggered, or if there are any reported sightings or tagged shark detections in the area, based on SLSWA guidelines.

Reported sightings and tagged shark detections 

The activation of the shark warning system for reported shark sightings and tagged shark detections includes:

  • If the shark is larger than three metres and within one kilometre of the shore. 
  • If the shark is 2 – 3 metres in length and/or schooling sharks and within 500 metres of the shore. 
  • If the shark is less than two metres in length the shark warning system will not be activated.

Upon activation of the shark warning system, water users should leave the water one kilometre either side of the location for at least one hour. An audible message will be repeated every five minutes and a red light will remain flashing following activation. Beach users should remain out of the water while the shark warning system is activated and check the shark activity map for sighting and detection information.

SMART drumline activation

The shark warning system will also be activated when a SMART drumline is triggered. Upon activation of the shark warning system, water users should leave the water one kilometre either side of the location. 

When a SMART drumline is triggered fishing contractors will attend to the drumline within 30 minutes. Once shark capture information is determined, the information will be published on the shark activity map including species, size, location and distance released offshore. If a shark has been captured greater than two meters in length, the shark warning system will remain activated for an hour following release. 

The shark warning systems are located adjacent to surf breaks at Gallows, Guillotine, Cobblestones, The Womb, Ellensbrook, South Point, North Point and Lefthanders. An additional device has been installed at the Lefthanders car park. Locations of the shark warning systems can be viewed on the shark activity map.

 

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