After many days of heavy rain on the coast, some animals end up in the sea and this was probably the case of this snake.
It was drowning, still a little alive but not much.
If you know and can tell which snake js that one, would be great.
I checked some popular snakes in south east Queensland and couldn't identify it.
Main Beach to Spit.
Gold Coast
Queensland
Australia 馃嚘馃嚭