Climate Risk in Kwinana Beach, Western Australia

Kwinana Beach, Western Australia· City of Kwinana· 6167
Medium Risk
Updated Mar 2026

Kwinana Beach faces moderate climate risks, primarily from flooding, heatwaves, and coastal erosion. Sea level rise and increasing temperatures are key drivers of these risks. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

5.8/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
4.2
Heat
7.1
Coastal
5.4

Detailed Hazard Analysis

heat Risk

7.1/10

Kwinana Beach experiences high temperatures during summer, with potential for heatwaves. Climate change is expected to increase the frequency and intensity of heat events, posing risks to vulnerable populations.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.8

2050

8.5

Data source

flood Risk

6.5/10

Kwinana Beach faces a moderate risk of flooding, primarily due to its low-lying coastal location and proximity to the ocean. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity.

Primary Drivers

  • ·Sea level rise
  • ·Increased rainfall intensity
  • ·Storm surges

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

5.4/10

Kwinana Beach is vulnerable to coastal erosion and inundation due to sea level rise. Low-lying areas are at particular risk, and coastal infrastructure may be impacted.

Primary Drivers

  • ·Sea level rise
  • ·Storm surges
  • ·Coastal erosion

Projections (RCP8.5)

2030

5.8

2050

6.5

Data source

bushfire Risk

4.2/10

The risk of bushfire in Kwinana Beach is relatively low compared to inland areas, but still present due to nearby vegetation. Dry conditions and strong winds can increase the potential for fire spread.

Primary Drivers

  • ·Dry vegetation
  • ·Strong winds
  • ·Arson

Projections (RCP4.5)

2030

4.5

2050

4.8

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to climate risks.

Price Impact

Property values in vulnerable areas may be negatively impacted.

Buyer Checklist

  • 1.Check flood maps and coastal erosion risk assessments.
  • 2.Assess property's vulnerability to heatwaves.
  • 3.Ensure adequate insurance coverage.
  • 4.Consider long-term climate change projections.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Cockburn Sound
Elevation Range
0-10 meters
Flood Zone
Coastal Inundation Zone

Low-lying areas near the coast are most vulnerable to flooding.

View council flood map

Bushfire Evidence

Distance to Bushland
Within 1km
Planning Overlay
DFES Bushfire Prone Area Map
Bushfire Prone Area
Yes

Some properties are located in designated bushfire prone areas.

Heat Evidence

Avg January Max Temp
31.5°C
Heat Stress Days/Year
3 days

Heatwaves are common during summer months.

Coastal Evidence

Distance to Coast
0.5 km
Sea Level Rise Exposure
High
Erosion Risk
Moderate

Historical Climate Events

2010
stormModerate

Severe storm caused minor flooding and damage to coastal infrastructure.

Source
2011
floodMinor

Heavy rainfall led to localized flooding in low-lying areas.

Source
2017
heatwaveModerate

Prolonged heatwave resulted in increased hospital admissions.

Source
2021
coastalMinor

Coastal erosion damaged some beachfront properties.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5

HazardToday20302050
flood6.56.8(+0.3)7.3(+0.8)
bushfire4.24.3(+0.1)4.5(+0.3)
heat7.17.8(+0.7)8.6(+1.5)
coastal5.45.8(+0.4)6.4(+1.0)

Under a moderate emissions scenario, Kwinana Beach is projected to experience a slight increase in overall climate risk, with notable increases in heatwave frequency and coastal erosion.

CSIRO Climate Projections

Adaptation Recommendations

Upgrade drainage infrastructure

Near-term

Improve stormwater drainage systems to reduce the risk of flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Protect coastal areas

Near-term

Implement coastal protection measures, such as seawalls and beach nourishment, to mitigate coastal erosion and inundation.

Est. cost: High

Learn more

Develop heatwave early warning system

Immediate

Establish a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Learn more

Promote water conservation

Long-term

Encourage residents to conserve water to reduce strain on water resources during periods of drought.

Est. cost: Low

Learn more

Bushfire preparedness

Near-term

Implement bushfire management strategies, including controlled burns and vegetation clearing, to reduce the risk of bushfires.

Est. cost: Medium

Learn more

About Kwinana Beach's Climate Risk Profile

Kwinana Beach, located in Western Australia, is susceptible to a range of climate-related hazards. The suburb's coastal location makes it particularly vulnerable to sea level rise and storm surges, which can lead to coastal inundation and erosion. Rising temperatures are expected to increase the frequency and intensity of heatwaves, posing health risks to vulnerable populations.

Flooding is another significant concern for Kwinana Beach. Intense rainfall events can overwhelm drainage systems, leading to stormwater runoff and potential property damage. The risk of bushfire is relatively lower compared to inland areas, but still present due to nearby vegetation.

Climate change projections indicate that these risks will intensify in the coming decades. Sea level rise is expected to continue, exacerbating coastal erosion and inundation. Temperatures are projected to increase, leading to more frequent and intense heatwaves. Changes in rainfall patterns could also increase the risk of flooding.

Addressing these climate risks requires a combination of adaptation and mitigation measures. Adaptation strategies include improving drainage infrastructure, protecting coastal areas, and implementing heatwave early warning systems. Mitigation efforts focus on reducing greenhouse gas emissions to slow the pace of climate change. Residents can also take individual actions to prepare for extreme weather events, such as developing emergency plans and purchasing appropriate insurance.

Data sources: BOM · CSIRO · DFES · DPaW · City of Kwinana

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Kwinana Beach?

The main climate change risks in Kwinana Beach are flooding, heatwaves, and coastal erosion. These risks are expected to intensify in the coming decades due to sea level rise and increasing temperatures.

How will sea level rise affect Kwinana Beach?

Sea level rise will increase the risk of coastal inundation and erosion in Kwinana Beach. Low-lying areas are particularly vulnerable, and coastal infrastructure may be damaged.

What can I do to prepare for heatwaves in Kwinana Beach?

During heatwaves, it is important to stay hydrated, stay cool, and avoid strenuous activity. Check on vulnerable neighbors and friends, and seek medical attention if you experience symptoms of heat stress.

How is the City of Kwinana addressing climate change?

The City of Kwinana is implementing a range of measures to address climate change, including upgrading drainage infrastructure, protecting coastal areas, and promoting water conservation. Refer to the council's climate strategy for more information.

Where can I find more information about flood risks in Kwinana Beach?

You can find more information about flood risks in Kwinana Beach on the City of Kwinana website and the Department of Fire and Emergency Services website.

Is Kwinana Beach a good place to invest in property considering climate change?

While Kwinana Beach offers many lifestyle benefits, potential property investors should carefully consider the climate change risks, particularly coastal erosion and flooding, and factor these into their decision-making process. Consult with local real estate experts and review available climate risk assessments.

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