"The one thing that the bureau is telling us consistently is that the likelihood of it crossing the coast remains really high,"he said.
"The greatest impacts will be the southern flank where you get those onshore winds, very heavy rainfall and of course the damaging and destructive winds,"she said.
"Because the timing of the crossing remains variable, there is the prospect that it [the cyclone] could cross on a high tide,"Mr Crisafulli said.
"We started the weekend with 100,000 sandbags in supply, which is the highest level we have had in a significant amount of time. We still have 60,000 available,"he said.