Climate Risk in Augusta-Margaret River, Western Australia

Augusta-Margaret River, Western Australia· UNKNOWN
Medium Risk
Updated Mar 2026

Augusta-Margaret River faces increasing risks from climate change, particularly related to bushfires and flooding. Rising temperatures and sea levels also contribute to the overall risk profile. Residents and property owners should prepare for more frequent extreme weather events.

Overall Risk Score

5.8/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
7.0
Heat
5.0
Coastal
4.5

Detailed Hazard Analysis

heat Risk

5.0/10

Augusta-Margaret River experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

flood Risk

6.5/10

Augusta-Margaret River faces a moderate risk of flooding due to its proximity to rivers and coastal areas. Intense rainfall events can lead to riverine and flash flooding.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Urban development

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

4.5/10

Coastal erosion and inundation pose a moderate threat to low-lying areas in Augusta-Margaret River due to sea level rise and storm surges.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm intensity

Projections (RCP8.5)

2030

5.0

2050

5.5

Data source

bushfire Risk

7.0/10

The region is highly susceptible to bushfires, particularly during dry summer months. High fuel loads and strong winds contribute to the risk.

Primary Drivers

  • ·Drier conditions
  • ·Increased frequency of heatwaves
  • ·Accumulation of dry vegetation

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase in high-risk areas.

Price Impact

Properties in vulnerable locations may experience price reductions.

Buyer Checklist

  • 1.Check flood maps and bushfire prone area designations.
  • 2.Assess property's vulnerability to coastal erosion.
  • 3.Inquire about past flood or fire events.
  • 4.Ensure adequate insurance coverage.
  • 5.Consider climate change projections when making long-term investment decisions.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Margaret River
Elevation Range
0-200m
Flood Zone
Areas near the Margaret River and coastal regions are prone to flooding.

Historical flood events have impacted low-lying areas in and around the town of Margaret River.

View council flood map

Bushfire Evidence

Distance to Bushland
Surrounded by extensive forests and bushland.
Planning Overlay
DFES Bushfire Prone Areas Map
Bushfire Prone Area
Yes

The region has a history of significant bushfires, with many properties located in high-risk areas.

Heat Evidence

Avg January Max Temp
29°C
Heat Stress Days/Year
3 days

Heatwaves are becoming more frequent and intense, posing a risk to vulnerable populations.

Coastal Evidence

Distance to Coast
0.5 km
Sea Level Rise Exposure
Low-lying coastal areas are vulnerable to sea level rise.
Erosion Risk
Coastal erosion is an ongoing issue in some areas.

Historical Climate Events

2011
floodModerate

Significant flooding occurred in the Margaret River region following heavy rainfall.

Source
2019
bushfireModerate

Bushfires impacted areas near Margaret River, causing property damage and evacuations.

Source
2022
floodModerate

Heavy rainfall led to flash flooding in parts of Augusta-Margaret River.

Source
2023
heatwaveModerate

Record high temperatures were recorded in the region during a prolonged heatwave.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood6.56.8(+0.3)7.1(+0.6)
bushfire7.07.4(+0.4)7.8(+0.8)
heat5.05.2(+0.2)5.5(+0.5)
coastal4.54.6(+0.1)4.8(+0.3)

By 2030, Augusta-Margaret River is projected to experience a moderate increase in overall climate risk, with bushfire risk increasing more rapidly than other hazards. More frequent heatwaves and intense rainfall events are expected.

CSIRO Climate Projections

Adaptation Recommendations

Develop a comprehensive bushfire management plan

Immediate

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

Est. cost: Medium

Learn more

Upgrade flood defenses in vulnerable areas

Near-term

Invest in infrastructure to protect low-lying areas from flooding, including levees, drainage improvements, and stormwater management systems.

Est. cost: High

Learn more

Implement coastal protection measures

Long-term

Protect coastal areas from erosion and inundation through beach nourishment, seawalls, and managed retreat strategies.

Est. cost: Very High

Learn more

Promote water conservation and efficiency

Near-term

Encourage residents and businesses to reduce water consumption through water-wise landscaping, efficient appliances, and rainwater harvesting.

Est. cost: Low

Learn more

Establish community early warning systems

Immediate

Develop and maintain community-based early warning systems for bushfires, floods, and other extreme weather events.

Est. cost: Low

Learn more

About Augusta-Margaret River's Climate Risk Profile

Augusta-Margaret River, located in the southwest of Western Australia, is known for its stunning coastline, vineyards, and forests. However, the region is increasingly vulnerable to the impacts of climate change.

Bushfire risk is a major concern, with hot, dry summers creating ideal conditions for wildfires. Changes in rainfall patterns and increased temperatures are exacerbating this risk. Flooding is also a significant threat, particularly in low-lying areas near rivers and the coast. Intense rainfall events can lead to flash flooding and riverine flooding.

Sea level rise poses a long-term threat to coastal communities, with potential for erosion and inundation. Rising temperatures are also impacting the region's ecosystems and agricultural industries. The local council is working to develop strategies to mitigate and adapt to these challenges.

Residents and property owners should take steps to prepare for extreme weather events, including developing emergency plans and ensuring adequate insurance coverage. Investing in climate-resilient infrastructure and promoting sustainable land management practices are also crucial for protecting the region's future.

Data sources: BOM · CSIRO · DFES · DPaW

Local Government Resources

Shire of Augusta-Margaret River

Frequently Asked Questions

What are the main climate change risks in Augusta-Margaret River?

The main climate change risks include increased bushfire risk, flooding, coastal erosion, and heatwaves.

How is the local council addressing climate change?

The Shire of Augusta-Margaret River is developing and implementing strategies to mitigate and adapt to climate change, including reducing greenhouse gas emissions and improving resilience to extreme weather events.

What can I do to prepare for bushfires?

You can prepare for bushfires by developing a bushfire survival plan, clearing vegetation around your home, and ensuring you have adequate insurance coverage.

Where can I find information about flood risks in my area?

You can find information about flood risks on the Shire of Augusta-Margaret River website or by contacting the council directly.

How will climate change affect property values in Augusta-Margaret River?

Properties in areas vulnerable to flooding, bushfires, or coastal erosion may experience price reductions. It is important to consider climate change projections when making long-term investment decisions.

What is the council doing to protect the coastline from erosion?

The council is implementing coastal protection measures such as beach nourishment and seawalls to protect vulnerable areas from erosion.

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