OMG! It's A Surfing Crocodile
Broome's latest visitor to the beach!
[This is an Indopacific or Saltie croc [Crocodylus porosus] and not an especially large one, about 13 to 15 feet long. I include the article here because the crocodile has an unconfirmed even larger relative that is even more at home at the sea, and the appearance would be much the same only scaled up-DD]