Climate Risk in Broome, WA

Broome, Western Australia
Medium Risk
Updated Apr 2026

Broome is a coastal town in Western Australia that faces several climate-related risks. The most significant risks are heatwaves, flooding, and coastal erosion. Climate change is expected to exacerbate these risks in the coming decades.

Overall Risk Score

58/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.0
Bushfire
4.0
Heat
8.0
Coastal
5.0

Climate Hazard Breakdown for Broome

increasing

Flood

60/100

Broome faces a moderate risk of flooding, primarily from heavy rainfall events and storm surges. The low-lying coastal areas are particularly vulnerable.

Key drivers:

  • ·Increased rainfall intensity
  • ·Sea level rise
stable

Bushfire

40/100

Broome has a relatively low bushfire risk compared to other regions in Western Australia, but dry vegetation during the dry season can increase the risk.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

80/100

Broome experiences high temperatures and humidity, leading to significant heat stress, especially during the summer months. Climate change is expected to exacerbate these conditions.

Key drivers:

  • ·Rising average temperatures
  • ·Increased frequency of heatwaves
increasing

Coastal

50/100

Broome is vulnerable to coastal erosion and inundation due to sea level rise and storm surges. The coastline is already experiencing some erosion.

Key drivers:

  • ·Sea level rise
  • ·Storm surges
stable

Wind

32/100

Moderate wind risk — winter storms

stable

Storm

28/100

Moderate storm risk — occasional severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

39/100

Moderate energy costs — cooling demand in summer

In-Depth Climate Risk Guides for Broome

Detailed Hazard Analysis

heat Risk

80/100

Broome experiences high temperatures and humidity, leading to significant heat stress, especially during the summer months. Climate change is expected to exacerbate these conditions.

Primary Drivers

  • ·Rising average temperatures
  • ·Increased frequency of heatwaves
  • ·High humidity

Projections (RCP8.5)

2030

8.5

2050

9.0

Data source

flood Risk

60/100

Broome faces a moderate risk of flooding, primarily from heavy rainfall events and storm surges. The low-lying coastal areas are particularly vulnerable.

Primary Drivers

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

Projections (RCP8.5)

2030

6.5

2050

7.2

Data source

coastal Risk

50/100

Broome is vulnerable to coastal erosion and inundation due to sea level rise and storm surges. The coastline is already experiencing some erosion.

Primary Drivers

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

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

bushfire Risk

40/100

Broome has a relatively low bushfire risk compared to other regions in Western Australia, but dry vegetation during the dry season can increase the risk.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Wind

Projections (RCP4.5)

2030

4.2

2050

4.5

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 coastal erosion risk assessments.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Inquire about insurance costs and coverage.
  • 4.Consider the long-term climate risks when making a purchase.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Roebuck Bay
Elevation Range
0-20m
Flood Zone
Coastal Floodplain

Low-lying areas near Roebuck Bay are most susceptible to flooding.

View council flood map

Bushfire Evidence

Distance to Bushland
5km
Planning Overlay
DFES Bushfire Prone Area Map
Bushfire Prone Area
Yes

Areas with dry grass and scrubland are potential bushfire hazards.

Heat Evidence

Avg January Max Temp
33°C
Heat Stress Days/Year
15 days

High humidity exacerbates heat stress during summer months.

Coastal Evidence

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

Historical Climate Events

2018
floodModerate

Heavy rainfall caused localized flooding in Broome, disrupting traffic and damaging property.

Source
2017
heatwaveModerate

Broome experienced a prolonged heatwave with temperatures exceeding 35°C for several days.

Source
2015
coastalMinor

Storm surge caused minor coastal erosion along Cable Beach.

Source
2022
floodModerate

Heavy rainfall associated with a tropical low caused flash flooding in parts of Broome.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood606.5(+0.5)7.0(+1.0)
bushfire404.2(+0.2)4.5(+0.5)
heat808.7(+0.7)9.5(+1.5)
coastal505.3(+0.3)5.8(+0.8)

By 2030, Broome is projected to experience a notable increase in heatwave intensity and frequency, along with a heightened risk of flooding due to more intense rainfall events. Coastal erosion is also expected to worsen.

CSIRO Climate Projections

Adaptation Recommendations

Upgrade Drainage Infrastructure

Near-term

Improve drainage systems to manage increased rainfall and reduce flood risk.

Est. cost: Medium

Learn more

Implement Heat Action Plan

Immediate

Develop and implement a heat action plan to protect vulnerable populations during heatwaves.

Est. cost: Low

Learn more

Coastal Protection Measures

Long-term

Invest in coastal protection measures such as seawalls and beach nourishment to reduce coastal erosion.

Est. cost: High

Learn more

Water Conservation Programs

Near-term

Promote water conservation to manage water scarcity during prolonged dry periods.

Est. cost: Low

Learn more

Community Awareness Campaigns

Immediate

Raise community awareness about climate risks and adaptation strategies.

Est. cost: Low

Learn more

About Broome's Climate Risk Profile

Broome is located in the Kimberley region of Western Australia and is known for its pearling industry and beautiful beaches. However, the town is also vulnerable to the impacts of climate change.

The primary climate risks for Broome include increased heatwaves, flooding from heavy rainfall and storm surges, and coastal erosion due to sea level rise. The region already experiences high temperatures and humidity, which can lead to heat stress, particularly for vulnerable populations.

Climate projections indicate that Broome will experience more frequent and intense heatwaves in the future, as well as increased rainfall intensity. Sea level rise is also expected to exacerbate coastal erosion and inundation, threatening infrastructure and ecosystems.

Addressing these climate risks will require a combination of adaptation and mitigation measures. Adaptation strategies include improving infrastructure to withstand flooding and coastal erosion, implementing heatwave early warning systems, and promoting water conservation. Mitigation efforts involve reducing greenhouse gas emissions to slow the pace of climate change.

The local council and community are working to address these challenges, but further action is needed to protect Broome from the impacts of climate change. This includes investing in climate-resilient infrastructure, promoting sustainable development, and raising awareness about climate risks.

Data sources: BOM · CSIRO · DFES · DPaW

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Broome?

The main climate change risks for Broome include increased heatwaves, flooding from heavy rainfall and storm surges, and coastal erosion due to sea level rise.

How is the local council addressing climate change?

The Shire of Broome is developing and implementing climate adaptation strategies, including upgrading drainage infrastructure and promoting water conservation.

What can residents do to prepare for heatwaves?

Residents can prepare for heatwaves by staying hydrated, seeking air-conditioned environments, and checking on vulnerable neighbors.

What is being done to protect Cable Beach from coastal erosion?

The Shire of Broome is investigating coastal protection measures such as beach nourishment and seawalls to protect Cable Beach from erosion.

Are insurance premiums likely to increase in Broome due to climate change?

Yes, insurance premiums are likely to increase due to the increased risk of flooding, coastal erosion, and other climate-related events.

Where can I find more information about flood risks in Broome?

You can find more information about flood risks on the Shire of Broome website and the DFES website.

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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