PAGASA has located the low pressure area (LPA) at 250 kilometers west of Ambulong, Batangas.
This is as of 11 am Saturday.
This weather system is bringing moderate to heavy rains over Bicol region and the provinces of Cavite, Batangas, Mindoro, Quezon, Aurora and Northern Palawan.
PAGASA is warning residents in these areas against possible flashfloods and landslides.
Meanwhile, in Metro Manila, cloudy weather with light to moderate rains with thunderstorms will prevail.
The rest of Luzon will experience the same weather condition.