Climate Risk in Mornington, Victoria

Mornington, Victoria· Mornington Peninsula Shire· 3931
Medium Risk
Updated Mar 2026

Mornington faces a moderate climate risk, primarily from flooding, heatwaves, and coastal erosion. These risks are projected to increase in the future due to climate change.

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

Mornington is experiencing an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

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

Mornington faces a moderate risk of flooding due to its proximity to Port Phillip Bay and local waterways. Intense rainfall events can lead to flash flooding, particularly in low-lying areas and near creeks.

Primary Drivers

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

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

5.4/10

Coastal erosion and sea level rise pose a threat to Mornington's coastline. Low-lying areas are particularly vulnerable to inundation during storm surges.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm intensity

Projections (RCP8.5)

2030

5.8

2050

6.2

Data source

bushfire Risk

4.2/10

The bushfire risk in Mornington is moderate, with areas bordering bushland being more vulnerable. Hot, dry summers and strong winds can increase the likelihood of bushfires.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Strong winds

Projections (RCP8.5)

2030

4.5

2050

4.8

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in areas prone to flooding and coastal erosion.

Price Impact

Properties in high-risk areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and coastal erosion risk assessments.
  • 2.Assess bushfire risk and prepare a bushfire survival plan.
  • 3.Consider the potential impacts of heatwaves on property and health.
  • 4.Review insurance coverage for climate-related risks.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Tanti Creek
Elevation Range
0-80 meters
Flood Zone
Areas near Tanti Creek and coastal areas are prone to flooding.

Historical flood events have impacted properties along Tanti Creek and in low-lying coastal areas.

View council flood map

Bushfire Evidence

Distance to Bushland
Some properties border bushland reserves.
Planning Overlay
Bushfire Management Overlay (BMO) applies to some areas.
Bushfire Prone Area
Yes

Residents in bushfire-prone areas are advised to maintain their properties and prepare for fire season.

Heat Evidence

Avg January Max Temp
26.5°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 exposed to sea level rise.
Erosion Risk
Some beaches are experiencing erosion.

Historical Climate Events

2011
floodModerate

Heavy rainfall caused flash flooding in Mornington, impacting properties near Tanti Creek.

Source
2009
heatwaveMajor

The 2009 heatwave resulted in record-breaking temperatures and increased heat stress in Mornington.

Source
1997
stormModerate

A severe storm caused damage to coastal infrastructure and properties in Mornington.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood6.56.8(+0.3)7.2(+0.7)
bushfire4.24.3(+0.1)4.5(+0.3)
heat7.17.9(+0.8)8.6(+1.5)
coastal5.45.6(+0.2)5.9(+0.5)

By 2030, Mornington is projected to experience an increase in heatwave frequency and intensity, as well as a higher risk of flooding and coastal erosion.

CSIRO Climate Projections

Adaptation Recommendations

Improve drainage infrastructure

Near-term

Upgrade drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Implement coastal protection measures

Long-term

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

Est. cost: High

Learn more

Develop a heatwave response plan

Immediate

Establish cooling centers and provide support to vulnerable populations during heatwaves.

Est. cost: Low

Learn more

Promote bushfire preparedness

Near-term

Educate residents about bushfire risks and encourage them to prepare their properties and develop survival plans.

Est. cost: Low

Learn more

About Mornington's Climate Risk Profile

Mornington, located on the Mornington Peninsula, is increasingly vulnerable to the impacts of climate change. The suburb's proximity to Port Phillip Bay and surrounding bushland makes it susceptible to flooding, coastal erosion, and bushfires. Rising temperatures and more frequent heatwaves also pose a significant threat to the community.

Flooding is a major concern for Mornington, with intense rainfall events leading to flash flooding in low-lying areas. Sea level rise is exacerbating this risk, increasing the likelihood of coastal inundation during storm surges. The Mornington Peninsula Shire Council is working to improve drainage infrastructure and implement flood mitigation measures.

The bushfire risk in Mornington is moderate, with areas bordering bushland being particularly vulnerable. Hot, dry summers and strong winds can create ideal conditions for bushfires to spread rapidly. Residents are encouraged to prepare their properties and develop bushfire survival plans.

Heatwaves are becoming more frequent and intense in Mornington, posing a significant risk to vulnerable populations. The elderly, children, and those with chronic health conditions are particularly susceptible to heat stress. The council is implementing heatwave response plans and providing cooling centers for residents.

Coastal erosion is also a growing concern for Mornington, with rising sea levels threatening beaches and coastal infrastructure. The council is undertaking coastal protection works to mitigate the impacts of erosion and protect valuable assets.

Data sources: BOM · CSIRO · EMV

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Mornington?

The main climate change risks in Mornington are flooding, heatwaves, coastal erosion, and bushfires. These risks are projected to increase in the future due to rising temperatures and sea levels.

How is the council addressing climate change?

The Mornington Peninsula Shire Council is implementing a range of measures to address climate change, including upgrading drainage infrastructure, constructing coastal defenses, and developing a heatwave response plan.

What can residents do to prepare for climate change?

Residents can prepare for climate change by checking flood maps, assessing bushfire risk, considering the potential impacts of heatwaves, and reviewing insurance coverage for climate-related risks.

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

You can find more information about climate change in Mornington on the Mornington Peninsula Shire Council website and the websites of relevant state government agencies.

Are there any specific areas in Mornington that are more at risk from climate change?

Yes, low-lying coastal areas are more vulnerable to sea level rise and coastal erosion, while areas bordering bushland are more at risk from bushfires. Properties near Tanti Creek are more prone to flooding.

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