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Climate Risk in Karratha, WA

Karratha, Western Australia· City of Karratha· 6714
High Risk
Updated Apr 2026

Karratha faces significant climate risks, particularly from bushfires, heatwaves, and coastal hazards. These risks are projected to increase in the future due to climate change. Residents and property owners should take steps to adapt to these changing conditions.

Overall Risk Score

72/100
High

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
8.0
Heat
7.5
Coastal
7.0

Climate Hazard Breakdown for Karratha

increasing

Flood

65/100

Karratha faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
increasing

Bushfire

80/100

Karratha is located in a region with a high bushfire risk due to dry vegetation and hot, windy conditions. The risk is exacerbated by climate change.

Key drivers:

  • ·Increased temperatures
  • ·Drier conditions
increasing

Heat

75/100

Karratha experiences extreme heat, with average maximum temperatures frequently exceeding 40°C. Climate change is expected to increase the frequency and intensity of heatwaves.

Key drivers:

  • ·Increased greenhouse gas emissions
  • ·Urban heat island effect
increasing

Coastal

70/100

Karratha is vulnerable to coastal hazards such as sea level rise and storm surge. These hazards can lead to inundation of low-lying areas and erosion of coastlines.

Key drivers:

  • ·Sea level rise
  • ·Increased storm intensity
stable

Wind

45/100

Moderate wind risk — winter storms

stable

Storm

40/100

Moderate storm risk — occasional severe thunderstorms

stable

Social

30/100

Moderate social stability

increasing

Energy

55/100

Moderate energy costs — cooling demand in summer

In-Depth Climate Risk Guides for Karratha

Should I Buy

Property buying guide with climate risk assessment

Flood Risk

Flood zone mapping, historical events, and projections

Bushfire Risk

BAL assessment, vegetation proximity, and fire history

Climate Safety

Multi-hazard safety assessment to 2050

Storm Risk

Severe weather, hail, and wind risk analysis

Heat Risk

Extreme heat days, urban heat island, and cooling costs

Insurance Costs

Premium estimates and insurance availability

Investment Score

Climate-adjusted property investment analysis

Detailed Hazard Analysis

heat Risk

75/100

Karratha experiences extreme heat, with average maximum temperatures frequently exceeding 40°C. Climate change is expected to increase the frequency and intensity of heatwaves.

Primary Drivers

  • ·Increased greenhouse gas emissions
  • ·Urban heat island effect

Projections (RCP8.5)

2030

8.0

2050

8.5

Data source

flood Risk

65/100

Karratha faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.

Primary Drivers

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

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

70/100

Karratha is vulnerable to coastal hazards such as sea level rise and storm surge. These hazards can lead to inundation of low-lying areas and erosion of coastlines.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm intensity

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

bushfire Risk

80/100

Karratha is located in a region with a high bushfire risk due to dry vegetation and hot, windy conditions. The risk is exacerbated by climate change.

Primary Drivers

  • ·Increased temperatures
  • ·Drier conditions
  • ·Increased frequency of extreme weather events

Projections (RCP8.5)

2030

8.5

2050

9.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase due to climate risks.

Price Impact

Properties in high-risk areas may experience price reductions.

Buyer Checklist

  • 1.Check flood maps and bushfire-prone area designations.
  • 2.Assess the property's vulnerability to coastal hazards.
  • 3.Consider the cost of insurance and potential for increased premiums.
  • 4.Evaluate the property's energy efficiency and ability to withstand extreme heat.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Nickol Bay
Elevation Range
0-30m
Flood Zone
Coastal and riverine floodplains

The City of Karratha has a Floodplain Management Plan to address flood risks.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland areas
Planning Overlay
Bushfire Prone Area Overlay
Bushfire Prone Area
Yes

Much of Karratha is designated as a bushfire-prone area.

Heat Evidence

Avg January Max Temp
38.5°C
Heat Stress Days/Year
15 days

Karratha experiences frequent heatwave conditions during the summer months.

Coastal Evidence

Distance to Coast
2 km
Sea Level Rise Exposure
Low-lying areas are vulnerable to sea level rise
Erosion Risk
Moderate erosion risk along some coastal sections

Historical Climate Events

2018
floodModerate

Heavy rainfall caused flash flooding in Karratha, disrupting transportation and damaging property.

Source
2020
bushfireModerate

A bushfire near Karratha threatened homes and infrastructure, requiring evacuations.

Source
2022
heatwaveMajor

Karratha experienced a prolonged heatwave with record-breaking temperatures, placing strain on infrastructure and public health.

Source
2023
coastalMinor

High tides and storm surge caused minor coastal erosion in Karratha.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood656.8(+0.3)7.2(+0.7)
bushfire808.6(+0.6)9.0(+1.0)
heat758.2(+0.7)8.7(+1.2)
coastal707.4(+0.4)7.8(+0.8)

Under a moderate emissions scenario, Karratha is projected to experience a slight increase in overall climate risk by 2030, with notable increases in heatwave frequency and bushfire risk.

CSIRO Climate Projections

Adaptation Recommendations

Improve bushfire preparedness

Immediate

Implement bushfire management strategies, including vegetation clearing, firebreaks, and community education programs.

Est. cost: High

Learn more

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of flash flooding during intense rainfall events.

Est. cost: Medium

Learn more

Protect coastal areas

Near-term

Construct seawalls and other coastal defenses to protect against sea level rise and storm surge.

Est. cost: High

Learn more

Promote energy efficiency

Long-term

Encourage the adoption of energy-efficient building designs and technologies to reduce the urban heat island effect.

Est. cost: Low

Learn more

Develop heat action plan

Immediate

Create a comprehensive heat action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Learn more

About Karratha's Climate Risk Profile

Karratha is a coastal town in the Pilbara region of Western Australia, known for its mining industry and proximity to natural attractions. However, the region is also vulnerable to a range of climate hazards, including bushfires, heatwaves, flooding, and coastal erosion.

Climate change is expected to exacerbate these risks in the coming decades. Rising temperatures will increase the frequency and intensity of heatwaves, making it more difficult to live and work in the region. Drier conditions will increase the risk of bushfires, threatening lives, property, and infrastructure.

Sea level rise and storm surge will inundate low-lying coastal areas, damaging homes, businesses, and critical infrastructure. Intense rainfall events will lead to flash flooding, disrupting transportation and causing property damage.

Addressing these climate risks will require a concerted effort from government, industry, and the community. This includes investing in adaptation measures such as building seawalls, improving drainage systems, and implementing bushfire management strategies. It also requires reducing greenhouse gas emissions to mitigate the impacts of climate change.

Data sources: BOM · CSIRO · DFES · City of Karratha · Department of Water and Environmental Regulation

Local Government Resources

City of Karratha

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate change risks in Karratha?

Karratha faces significant risks from bushfires, heatwaves, flooding, and coastal erosion, all of which are expected to worsen with climate change.

How will climate change affect property values in Karratha?

Properties in high-risk areas may experience price reductions due to increased insurance costs and potential for damage from climate hazards.

What is the City of Karratha doing to address climate change?

The City of Karratha is developing and implementing strategies to adapt to climate change, including improving drainage infrastructure and managing bushfire risks.

How can I prepare my home for bushfires in Karratha?

You can prepare your home by clearing vegetation around your property, installing firebreaks, and having a bushfire survival plan.

What should I do during a heatwave in Karratha?

During a heatwave, stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activity.

Where can I find information about flood risks in Karratha?

You can find information about flood risks on the City of Karratha website and the Department of Water and Environmental Regulation website.

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