However, the fire authorities are cautiously optimistic since the winds have calmed down a bit and moist air has penetrated from the sea, reports Diario Sur.
- If the weather forecasts are met, we are on the right track, says Juan Sánchez, head of the forest fire authority Infoca.
More than 500 firefighters and about 40 fire-fighting planes and helicopters are fighting the fire in the municipality of Estepona.
The area is popular with tourists.
More than 1,000 people have been evacuated.
Residents of the municipalities of Jubrique and Genalguacil are urged by the authorities to stay indoors due to the smoke in the area.
The fire is believed to have been started.
Andalusia's regional president Juan Moreno visited the area on Saturday and promised that the culprits would be arrested, according to Reuters.
A firefighter has died in the extinguishing work.
Watch clips of how Spaniards save their pets from the fire
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See how the residents leave the area near the fire.
Photo: Reuters