Climate Risk in Devonport, Tasmania

Devonport, Tasmania· UNKNOWN
Medium Risk
Updated Mar 2026

Devonport faces increasing climate risks, particularly from coastal hazards and flooding. Rising sea levels and more intense rainfall events are key drivers of these risks. Residents should prepare for potential impacts on property and infrastructure.

Overall Risk Score

5.2/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
3.0
Heat
4.0
Coastal
7.3

Detailed Hazard Analysis

heat Risk

4.0/10

Devonport experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This could impact vulnerable populations and infrastructure.

Primary Drivers

  • ·Increased average temperatures
  • ·More frequent heatwaves
  • ·Urban heat island effect

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

flood Risk

6.5/10

Devonport faces a moderate risk of flooding due to its proximity to the Mersey River and coastal location. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Riverine flooding

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

7.3/10

Devonport is highly vulnerable to coastal hazards due to its low-lying coastal areas. Sea level rise and increased storm surge events pose a significant threat to infrastructure and property.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm surge
  • ·Coastal erosion

Projections (RCP8.5)

2030

7.8

2050

8.3

Data source

bushfire Risk

3.0/10

Bushfire risk in Devonport is relatively low compared to other regions in Tasmania, but still present due to surrounding vegetation. Drier conditions and increased temperatures could elevate this risk.

Primary Drivers

  • ·Increased temperatures
  • ·Drier conditions
  • ·Vegetation density

Projections (RCP8.5)

2030

3.5

2050

4.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in high-risk areas due to flooding and coastal hazards.

Price Impact

Properties in vulnerable locations may experience price stagnation or decline due to climate risks.

Buyer Checklist

  • 1.Check flood maps and coastal hazard zones
  • 2.Assess property's elevation and drainage
  • 3.Consider potential impacts of sea level rise
  • 4.Review insurance options and premiums
  • 5.Investigate council's climate adaptation plans

Local Climate Evidence

Flood Evidence

Nearest Waterway
Mersey River
Elevation Range
0-20 meters
Flood Zone
Coastal and riverine flood zones identified

Significant portions of Devonport are located within identified flood zones, requiring specific building and development regulations.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to areas of native vegetation
Planning Overlay
Bushfire-prone area overlays exist in some parts of the suburb.
Bushfire Prone Area
Yes

Properties in bushfire-prone areas may be subject to specific building codes and vegetation management requirements.

Heat Evidence

Avg January Max Temp
22.5°C
Heat Stress Days/Year
1.2 days

Average January maximum temperatures are expected to increase in the coming decades, leading to more frequent heat stress events.

Coastal Evidence

Distance to Coast
0.5 km
Sea Level Rise Exposure
Significant exposure to sea level rise
Erosion Risk
Moderate erosion risk along exposed coastal areas

Historical Climate Events

2016
floodModerate

Significant flooding occurred in Devonport due to heavy rainfall, causing damage to properties and infrastructure.

Source
2018
stormModerate

A severe storm caused coastal erosion and damage to coastal infrastructure in Devonport.

Source
2022
floodMinor

Minor flooding occurred in low-lying areas of Devonport due to heavy rainfall.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood6.56.9(+0.4)7.5(+1.0)
bushfire3.03.1(+0.1)3.3(+0.3)
heat4.04.2(+0.2)4.5(+0.5)
coastal7.37.8(+0.5)8.8(+1.5)

Under a moderate emissions scenario, Devonport is projected to experience a slight increase in overall climate risk, with coastal hazards and flooding posing the greatest threats.

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

Protect coastal areas

Immediate

Implement coastal protection measures, such as seawalls and dune restoration, to mitigate erosion and inundation.

Est. cost: High

Learn more

Raise community awareness

Near-term

Educate residents about climate risks and adaptation strategies through workshops and public campaigns.

Est. cost: Low

Learn more

Strengthen building codes

Long-term

Update building codes to ensure new developments are resilient to climate change impacts, such as flooding and coastal hazards.

Est. cost: Medium

Learn more

About Devonport's Climate Risk Profile

Devonport, located on the north coast of Tasmania, is increasingly vulnerable to the impacts of climate change. The primary risks stem from its coastal location and proximity to the Mersey River, making it susceptible to flooding and coastal erosion.

Rising sea levels pose a significant threat to low-lying areas, potentially inundating properties and infrastructure. Increased storm surge events could further exacerbate coastal flooding, causing damage and disruption to the community. The Mersey River also presents a flood risk, with more intense rainfall events leading to increased riverine flooding.

While bushfire risk is relatively lower compared to other parts of Tasmania, it is still a concern, especially during drier periods. Increased temperatures and changes in vegetation patterns could elevate the risk of bushfires in the surrounding areas.

Heatwaves are also expected to become more frequent and intense, potentially impacting vulnerable populations and placing strain on infrastructure. Adapting to these changes will require proactive measures to protect the community and its assets.

Addressing these climate risks will require a coordinated effort involving local government, residents, and other stakeholders. Implementing adaptation strategies, such as improving drainage infrastructure, protecting coastal areas, and promoting community awareness, will be crucial in building resilience to climate change.

Data sources: BOM · CSIRO · Tasmanian State Emergency Service · Devonport City Council

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Devonport?

The main climate change risks in Devonport are flooding (both riverine and coastal), coastal erosion, and heatwaves. Rising sea levels and more intense rainfall events are key drivers of these risks.

How will sea level rise affect Devonport?

Sea level rise is expected to inundate low-lying coastal areas, potentially damaging properties and infrastructure. It will also increase the risk of coastal erosion and storm surge events.

What is the council doing to address climate change?

The Devonport City Council is developing and implementing climate adaptation plans, upgrading drainage infrastructure, and promoting community awareness about climate risks.

How can I prepare my property for flooding?

You can prepare your property for flooding by elevating vulnerable equipment, improving drainage, and having an emergency plan in place. Check the council's flood maps to assess your property's risk.

Where can I find more information about climate change in Devonport?

You can find more information about climate change in Devonport on the Devonport City Council website, the Tasmanian Department of Primary Industries, Parks, Water and Environment website, and the Bureau of Meteorology website.

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