Flood Risk in Churchill Island, VIC: 2026 Assessment

Churchill Island, located in Victoria, 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 Victoria.

The island's low elevation makes it susceptible to tidal influences and storm surges, particularly during extreme weather events.

Low to moderate flood risk, primarily from storm surge and minor inundation during extreme rainfall events.

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.

Churchill Island sits within ClimateNest's suburb-level hazard model for flood risk. 5.1% of the suburb's land area is mapped in high-risk flood zones and 74.8% 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 Churchill Island.

On ClimateNest's 0–10 suburb hazard index, Churchill Island scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Churchill Island can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Churchill Island located in Coastal VIC (postcode 3925), is a Victoria suburb tracked by ClimateNest. The suburb's median property value is $725,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Churchill Island.

Across the six hazard axes ClimateNest models, the dominant climate risk in Churchill Island is damaging wind (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Churchill Island, damaging wind is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Churchill Island are increasingly made with an address-level climate report in hand.