Of course it's only a prediction.
But the weather has been exceedingly warm and calm, and the ocean has certainly accumulated enough heat to feed a system like what is being forecast.
NaDraki Weather comment here.
The "good" news?
If it eventuates, this could suck off enough heat to mitigate the impact of the Coral bleaching that is widely anticipated for next month.
Anyway - I trust you know what to do!