The Fiji Meteorological Service has upgraded Cyclone Oma to a category 3.
The cyclone is moving west at 6 kilometers per hour and intensifying with sustained winds close to its center of 120 kph expected to increase to 138 kph.
Meanwhile, the Vanuatu Red Cross is reporting that houses and trees have been brought down by Cyclone Oma in the north of the country.
The Red Cross communications officer in Port Vila, Olivia Finau, says officers in the northern provinces of Sanma, Torba and Malampa are reporting damage to food gardens, crops and fruit trees.
Traditional Vanuatu houses have been worst affected by the storm according to Finau.
In Torba province she said the rough seas and heavy swells have washed 50 metres inland.
Most telecommunications are down while transport links to the north have been cut-off since Monday.
The latest official cyclone warning states, seas will remain very rough to phenomenal with heavy and phenomenal swells over the affected areas.