Flood Risk in South Windsor, NSW: 2026 Assessment

South Windsor, 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.

The Hawkesbury River regularly floods, impacting low-lying areas of South Windsor. Historical flood data and council flood maps provide valuable information for residents.

South Windsor is highly susceptible to flooding due to its proximity to the Hawkesbury River and low-lying areas. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.

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.

South Windsor sits within ClimateNest's suburb-level hazard model for flood risk. 4.4% of the suburb's land area is mapped in high-risk flood zones and 90.4% 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 South Windsor.

South Windsor (postcode 2756) 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 (11.8% of land in high-risk zones), surface flood (8.5% of land in high-risk zones), extreme wind (4.5% of land in high-risk zones). Exposure is not uniform across South Windsor — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.