Warnervale is a town in the Central Coast Council local government area in the Central Coast region in the state of New South Wales, Australia. It lies approximately 101 km north of Sydney, located west of Tuggerah Lake, a large shallow coastal lake, and just north of Wyong. In the 2021 census, the Australian Bureau of Statistics located a population of 701 within Warnervale's boundaries. The broader Warnervale-Wadalba statistical area had 20,051 people.