By MetService meteorologist Emma Blades
All times are in New Zealand local time.
Tropical Cyclone Winston was upgraded to a category five cyclone last night. This morning the centre tracked near to the Fiji Island of Vanua Balavu, where average wind speeds of 185km/h were recorded. Wind speeds even closer to the centre of the cyclone are estimated to average 220km/h, with momentary gusts likely to reach 315km/h.