Flood Risk in Catherine Hill Bay, NSW: 2026 Assessment

Catherine Hill Bay, 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 area has experienced flooding in the past due to heavy rainfall and storm surges.

Catherine Hill Bay faces a moderate risk of flooding due to its coastal location and proximity to waterways. Intense rainfall events can lead to flash flooding and riverine 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.

Catherine Hill Bay sits within ClimateNest's suburb-level hazard model for flood risk. 4.9% of the suburb's land area is mapped in high-risk flood zones and 80.8% 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 Catherine Hill Bay.

On ClimateNest's 0–10 suburb hazard index, Catherine Hill Bay scores 4 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Catherine Hill Bay can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Catherine Hill Bay located in Coastal NSW (postcode 2281), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Catherine Hill Bay.

Across the six hazard axes ClimateNest models, the dominant climate risk in Catherine Hill Bay is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% 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 Catherine Hill Bay, extreme heat 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 Catherine Hill Bay are increasingly made with an address-level climate report in hand.