There's a specific kind of movie that works best when it stops trying to be anything other than what it is. Thrash is one of those. A hurricane hits a coastal town, the storm surge drags sharks inland, and from there it's exactly the ride you signed up for.
It doesn't waste your time
The setup is lean. You get enough to care about a handful of people, the storm hits early, and then it's chaos. There's no drawn-out character study or slow build — the film trusts that the premise does the heavy lifting and gets out of its own way. At around ninety minutes it doesn't overstay, which is more than you can say for most things right now.
The sharks are the least interesting threat
What actually makes Thrash work is that the hurricane does most of the damage. The sharks are there, sure, and they show up at the worst possible moments — but the real tension comes from rising water, collapsing structures, and people making bad calls under pressure. The movie is smart enough to use the sharks as punctuation rather than the whole sentence.
It's better than it needs to be
Nobody walks into a shark-hurricane movie expecting much, and Thrash uses that to its advantage. The practical effects are solid, the pacing is tight, and there are a couple of genuinely tense sequences that land harder than they should. It's the kind of film that gets passed around friend groups because someone watched it on a whim and couldn't shut up about it.
If you're after something that doesn't ask much of you but delivers more than you'd expect, this is it. Good weekend watch — ideally loud.
Where to watch Thrash in Australia
Streaming availability shifts around a lot. The live info is on the Couch Koala title page.