Flood Risk in Mount Warning, NSW: 2026 Assessment

Mount Warning, located in New South Wales, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across New South Wales.

Historical flood data indicates that the Tweed River has a history of significant flooding events.

Mount Warning is susceptible to flooding due to its location in a valley and proximity to waterways. Heavy rainfall events can lead to riverine and flash flooding.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Mount Warning sits within ClimateNest's suburb-level hazard model for flood risk. 6.4% of the suburb's land area is mapped in high-risk flood zones and 71.4% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Mount Warning.

Mount Warning (postcode 2484) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (8.7% of land in high-risk zones), surface flood (6.8% of land in high-risk zones), riverine flood (6.4% of land in high-risk zones). Exposure is not uniform across Mount Warning — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.