This footage was from Port Melbourne beach a few weeks ago - jetskis dangerously and illegally close to swimmers. Thirteen years ago a swimmer was killed here by a rogue jetski. My piece in The Age today about growing calls for intervention on the bay:

https://www.theage.com.au/national/victoria/nearly-13-years-after-robert-s-death-jet-skis-are-still-a-danger-at-melbourne-s-beaches-20241216-p5kyph.html