Overnight the cyclone became a category three storm, with sustained winds of 130km/hr, gusting up to 160km/hr.
However, those winds have decreased to 95km/hr with gusts of up to 130km/hr.
A short time ago, Cyclone Rita was 255km east-northeast of Vanuatu's Gaua island.
Vanuatu Metservice manager Fred Jockley said conditions in the area were still conducive for cyclone strengthening so communities were still being warned to stay alert.