Locals were issued a warning to stay vigilant and act immediately if they want to stay safe from the flames.
"You are in danger and need to act immediately to survive. There is a threat to lives and homes," the warning said.
According to emergency fire services, the fires became too large to contain and were specifically bad for the Jerramungup area.
The fire was believed to have been travelling in a south easterly direction.
All residents living within all of the three communities are being urged to leave and seek out a safe place or to shelter their houses if it is too late for them to leave.
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