Class II Kupang Climatology Station warned the public of the impacts of drought after a long streak of days without rain.
The wind potential is reportedly related to the Australian monsoon.
The seven areas are asked to prepare for imminent drought.
BMKG previously predicted that the peak of dry season will occur in August.
The regent asked all elements to understand the serious impacts of forest and land fires, especially during the dry season.
The cases are in several places under Riau police jurisdiction. "Our commitment is clear, Riau must be free from smoke disasters."
BPBD Riau has been working with the military, the police, and forest fire control unit Manggala Agni.
Fires in the six regencies usually start in May and will reach their peak period in October.
BMKG also warned the public against doing any activities that can trigger fires.
Five water pumps were deployed to the locations to assist the effort.
The cause of fire is still unknown.
BMKG has issued early warning of forest and land fires in East Nusa Tenggara (NTT) as dry season approaches.
According to data released by the Ministry, the Terra/Aqua satellite recorded 296 hotspots in concession areas in 2021, dropping 27 percent from 406 detected hotspots in the previous year.