Flood Risk in Wyndham, WA: 2026 Assessment

Wyndham, Western Australia· UNKNOWN
Wyndham faces a moderate risk of flooding due to its proximity to rivers and low-lying areas. Intense rainfall events can lead to riverine flooding and flash flooding in urban areas.Updated 18 Mar 2026

Flood Risk Score

6.5/10

Wyndham faces a moderate risk of flooding due to its proximity to rivers and low-lying areas. Intense rainfall events can lead to riverine flooding and flash flooding in urban areas.

Key Facts

Flood Risk
Wyndham faces a moderate risk of flooding due to its proximity to rivers and low-lying areas. Intense rainfall events can lead to riverine flooding and flash flooding in urban areas.
Trend
increasing
Suburb
Wyndham, WA
Overall Risk
High
Postcode
6740
Highest high-risk exposure
13.2% of land (bushfire)

Flood Risk Analysis

Wyndham, 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.

Historical flood events have impacted low-lying areas in Wyndham.

Wyndham faces a moderate risk of flooding due to its proximity to rivers and low-lying areas. Intense rainfall events can lead to riverine flooding and flash flooding in urban areas.

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.

Wyndham sits within ClimateNest's suburb-level hazard model for flood risk. 3.7% of the suburb's land area is mapped in high-risk flood zones and 72.9% 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 Wyndham.

Wyndham (postcode 6740) 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 (13.2% of land in high-risk zones), surface flood (6.6% of land in high-risk zones), riverine flood (3.7% of land in high-risk zones). Exposure is not uniform across Wyndham — 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 Range0-50m
Flood Zone ClassificationLow-lying areas near the Ord River are prone to flooding.

Historical Events

2022
Minor

Minor flooding occurred after a period of heavy rainfall, affecting some local businesses.

2018
Moderate

Heavy rainfall caused flooding in low-lying areas of Wyndham, disrupting traffic and damaging property.

Adaptation & Mitigation Actions

Improve Bushfire Management

Immediate

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

Est. cost: High

Enhance Heatwave Preparedness

Immediate

Develop and implement a heatwave management plan, including public awareness campaigns, cooling centers, and support for vulnerable populations.

Est. cost: Medium

Strengthen Coastal Defenses

Near-term

Invest in coastal protection measures, such as seawalls, dune restoration, and managed retreat, to protect coastal communities and infrastructure from sea level rise and erosion.

Est. cost: Very High

Upgrade Flood Infrastructure

Near-term

Upgrade drainage systems and flood control infrastructure to reduce the risk of flooding in urban areas.

Est. cost: High

Promote Water Conservation

Long-term

Implement water conservation measures to reduce water demand and ensure water security during prolonged droughts.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 18 March 2026

Explore Wyndham Risk Reports

Frequently Asked Questions

Is Wyndham at risk of flooding?

Based on available data, Wyndham 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 Wyndham?

Insurance costs for flood cover in Wyndham 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 Wyndham?

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

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

ClimateNest's hazard overlay maps 13.2% of Wyndham in high-risk zones for bushfire, with a further 76.9% 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 Wyndham Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Wyndham, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections