Brisbane's ferries have been moved to safety and their Moreton Bay islands counterparts will soon follow suit as Cyclone Alfred prepares to make an expected sharp curve towards south-east Queensland.

Tropical Cyclone Alfred is expected to cross the south-east Queensland coast later this week, bringing significant wind, rain and coastal impacts.

It’s scary. All the modelling indicates Alfred with turn back to the Coast here. There are not scenarios where this will not occur.”