Tas bushfire heading towards Cradle Mt

A bushfire is heading towards Tasmania's Cradle Mountain tourism area, with firefighters warning it will be difficult to control.

Winds are driving an out-of-control bushfire towards Tasmania's famed Cradle Mountain tourism area. (AAP)

Winds are driving an out-of-control bushfire towards Tasmania's famed Cradle Mountain tourism area.

A watch and act alert is in place for residents, with the fire set to hit Cradle Mountain and Cradle Valley some time before midnight on Saturday.

"This fire will be difficult to control. There may be embers, smoke and ash falling on Cradle Mountain and Cradle Valley," the Tasmania Fire Service said on Saturday night.