Flood Risk in Willi Willi, NSW: 2026 Assessment

Willi Willi, New South Wales· UNKNOWN
Willi Willi faces a moderate risk of flooding due to its proximity to waterways and variable rainfall patterns. Local topography can exacerbate flood events.Updated 18 May 2026

Flood Risk Score

6.5/10

Willi Willi faces a moderate risk of flooding due to its proximity to waterways and variable rainfall patterns. Local topography can exacerbate flood events.

Key Facts

Flood Risk
Willi Willi faces a moderate risk of flooding due to its proximity to waterways and variable rainfall patterns. Local topography can exacerbate flood events.
Trend
increasing
Suburb
Willi Willi, NSW
Overall Risk
High
Postcode
2440
Highest high-risk exposure
10.3% of land (surface flood)

Flood Risk Analysis

Willi Willi, 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 areas close to the river experience inundation during heavy rainfall events.

Willi Willi faces a moderate risk of flooding due to its proximity to waterways and variable rainfall patterns. Local topography can exacerbate flood 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.

Willi Willi sits within ClimateNest's suburb-level hazard model for flood risk. 6.9% of the suburb's land area is mapped in high-risk flood zones and 65.8% 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 Willi Willi.

Willi Willi (postcode 2440) 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 surface flood (10.3% of land in high-risk zones), bushfire (10.3% of land in high-risk zones), riverine flood (6.9% of land in high-risk zones). Exposure is not uniform across Willi Willi — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwayMacleay River
Elevation Range100-300m
Flood Zone ClassificationAreas near the Macleay River are prone to flooding.

Historical Events

2013
Moderate

Heavy rainfall led to widespread flooding in the Macleay River catchment.

Adaptation & Mitigation Actions

Develop a comprehensive bushfire management plan

Immediate

Implement strategies to reduce fuel loads, improve firebreaks, and enhance community preparedness.

Est. cost: High

Upgrade flood infrastructure

Near-term

Improve drainage systems, construct flood levees, and implement early warning systems.

Est. cost: Very High

Implement heatwave mitigation strategies

Near-term

Increase urban greening, provide cooling centers, and promote public awareness of heatwave risks.

Est. cost: Medium

Strengthen community resilience

Long-term

Promote community education, develop emergency response plans, and foster social cohesion.

Est. cost: Low

Council & Emergency Services

Kempsey Shire Council
Emergency Services

Data last updated: 18 May 2026

Explore Willi Willi Risk Reports

Frequently Asked Questions

Is Willi Willi at risk of flooding?

Based on available data, Willi Willi has a notable flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Willi Willi?

Insurance costs for flood cover in Willi Willi depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Willi Willi?

Yes, flood risk can affect property values in Willi Willi. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Willi Willi?

Elevation is a critical factor in flood risk. Properties at higher elevations within Willi Willi typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What share of Willi Willi is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 10.3% of Willi Willi in high-risk zones for surface flood, with a further 74.2% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Willi Willi Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Willi Willi, New South Wales, covering flood, bushfire, sea level rise and more.

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections