A flood alert is in force for low lying areas near major rivers around Fiji.
Fiji's met service issued the warning this afternoon as a heavy rain warning remained in force for the whole of the country.
The authorities say an active trough of low pressure with an associated low pressure system remains slow moving over Fiji.
Associated cloud and rain is expected to affect the group until later tomorrow.
Fiji is still in repair mode after Cyclone Winston hit in February.
The Category 5 storm damaged or destroyed more than 31,000 houses and affected about 40 percent of the population.