Crews are dampening down hot spots.
No injuries have been reported at either blaze.
"There were just enormous flames all over right next to the car."
"I was in mortal danger... my whole body was starting to shut down."
One home has been destroyed and winds are pushing the blaze towards more properties.
Police are working with Fire and Emergency to evacuate properties on State Highway 80.
The fire began shortly before midday.
It's been burning since 3am.
Investigations are underway into two blazes that kept South Island firefighters awake overnight.