๐Ÿ“ฎ Kununurra postcode: 6743

Flood Risk in Kununurra, WA: 2026 Assessment

Kununurra, Western Australiaยท Wyndham-East Kimberleyยท 6743
Kununurra faces a moderate risk of flooding due to its proximity to waterways and seasonal rainfall patterns. Intense rainfall events can lead to riverine and flash flooding.Updated 1 Apr 2026

Flood Risk Score

6.8/10

Kununurra faces a moderate risk of flooding due to its proximity to waterways and seasonal rainfall patterns. Intense rainfall events can lead to riverine and flash flooding.

Key Facts

Flood Risk
Kununurra faces a moderate risk of flooding due to its proximity to waterways and seasonal rainfall patterns. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Kununurra, WA
Overall Risk
High
Postcode
6743
Highest high-risk exposure
21.5% of land (bushfire)

Flood Risk Analysis

Kununurra, located in Western Australia, 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 Western Australia.

The Ord River Irrigation Scheme can influence local flood patterns.

Kununurra faces a moderate risk of flooding due to its proximity to waterways and seasonal rainfall patterns. Intense 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.

Kununurra sits within ClimateNest's suburb-level hazard model for flood risk. 6.5% of the suburb's land area is mapped in high-risk flood zones and 74.3% 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 Kununurra.

Kununurra (postcode 6743) 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 (21.5% of land in high-risk zones), riverine flood (6.5% of land in high-risk zones), surface flood (6.4% of land in high-risk zones). Exposure is not uniform across Kununurra โ€” 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 WaterwayOrd River
Elevation Range28-50m
Flood Zone ClassificationAreas adjacent to the Ord River are prone to flooding.

Historical Events

2023
Minor

Localized flooding occurred in Kununurra following heavy rainfall events during the wet season.

2011
Moderate

Major flooding occurred in the Kimberley region, impacting Kununurra and surrounding areas due to heavy rainfall associated with a tropical low.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as levees, improved drainage systems, and flood-resistant building designs.

Est. cost: High

Enhance Bushfire Preparedness

Immediate

Implement bushfire management strategies, including controlled burns, vegetation management, and community education programs.

Est. cost: Medium

Develop Heat Action Plans

Near-term

Create and implement heat action plans to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water stress during prolonged dry periods and heatwaves.

Est. cost: Low

Strengthen Emergency Response

Immediate

Improve emergency response capabilities to effectively manage climate-related disasters, including training, equipment, and communication systems.

Est. cost: Medium

Council & Emergency Services

Wyndham-East Kimberley Shire Council
Emergency Services

Data last updated: 1 April 2026

Explore Kununurra Risk Reports

Frequently Asked Questions

Is Kununurra at risk of flooding?

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

What flood insurance costs can I expect in Kununurra?

Insurance costs for flood cover in Kununurra 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 Kununurra?

Yes, flood risk can affect property values in Kununurra. 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 Kununurra?

Elevation is a critical factor in flood risk. Properties at higher elevations within Kununurra 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 Kununurra is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 21.5% of Kununurra in high-risk zones for bushfire, with a further 73.2% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Kununurra Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Kununurra, Western Australia, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections