The annual breakthrough of the Margaret River to the ocean had surfers and spectators flocking to the rivermouth on Sunday, with a few close calls and dramatic rescues in the strong waters.
Captured online by local tour operators Cape to Cape Explorer Tours and The Margaret River Discovery Co, the rushing waters were eagerly embraced by thrill seekers.
With heavy rains landing in the area over the last week, the water proved too rough for some riders, who needed to be pulled to safety by well-placed locals.
Just minutes after police departed the area, bodyboarder Holden Ross got into trouble in the swirling current.
"I'd just told Holden to be careful, I was watching him on the wave as I was walking down the steps, saw him go under and not come up and started screaming and running," said mum Tennille Ross.
Ms Ross said she was "forever grateful" to the two men who assisted the 15 year old when he was sucked under the water.
"He's pretty resilient kid but that knocked him," she said. "He's had hold down and wipe outs but that was so different."
The huge volume of water now flowing out has created a pressure wave that is impossible for people to stand in. Conditions are very dangerous and people are being held under...
- Sean Blocksidge
Sean Blocksidge of the Margaret River Discovery Co warned people to stay away from the powerful phenomenon even if it seemed like a lot of fun to ride.
"The huge volume of water flowing out created a pressure wave that is impossible for people to stand in. Conditions are very dangerous and people are held under water for extended periods."