South West bushfire downgraded as authorities confirm no homes lost

An out-of-control bushfire burning in our South West region has been downgraded to a watch and act.

Firefighters have worked tirelessly to contain the blaze which started near Curtis Bay Beach on Monday night, prompting an emergency warning for parts of Eagle Bay, Naturaliste and Dunsborough.

Around 500 people had to be evacuated from Bunker Bay and Eagle Bay on Tuesday afternoon.

PIC:DFES/Matt Muir

Incident Controller Blake Moore told 9Radio firefighters have saved several homes in the fire zone.

"We can say that we have not lost any properties so that's a great result," Incident Controller Moore said.

The Arson Squad is investigating the cause of the massive blaze which has ripped through 225 hectares.

A watch and act alert remains for parts of Naturaliste, Dunsborough and Eagle Bay.

The fire is now contained but residents are being warned conditions could change and there is still a possible threat to lives and homes.

PIC: DFES/Station Officer David Mildon