Fiji's Meteorological Service says the tropical storm to the northwest of New Caledonia has developed into a tropical cyclone.
It said tropical depression 10-F has been upgraded into a category one cyclone and named tropical cyclone Fili.
The cyclone is currently moving west at about 10 kilometres per hour and intensifying.
Tropical cyclone threat track map for Fili Photo: The Fiji Meteorological Service
Fiji's met service said cyclone Fili is expected to intensify further into a category 2 system while tracking close to New Caledonia.
It said the cyclone could potentially bring destructive storm force winds and heavy rainfall over New Caledonia from as early as midnight tonight.