Ryanston Climate Risk Profile

Ryanston, Victoria· Bass Coast Shire Council· 3987
Medium Risk
Updated June 2026

Ryanston faces a medium overall climate risk, with significant threats from bushfire and coastal hazards. While flood and heat risks are moderate, all are projected to increase. Proactive adaptation is crucial for long-term resilience.

Overall Risk Score

55/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
6.0
Heat
5.0
Coastal
7.0

Climate Hazard Breakdown for Ryanston

increasing

Flood

40/100

Moderate flood risk due to proximity to coastal waterways and potential for storm surge.

Key drivers:

  • ·Sea level rise
  • ·Increased rainfall intensity
increasing

Bushfire

60/100

High bushfire risk due to surrounding vegetation and historical fire activity in the region.

Key drivers:

  • ·Increased frequency of extreme fire weather days
  • ·Drier fuel loads
increasing

Heat

50/100

Moderate heat risk, with increasing frequency and intensity of heatwaves projected.

Key drivers:

  • ·Rising average temperatures
  • ·More frequent extreme heat days
increasing

Coastal

70/100

High coastal erosion and inundation risk due to proximity to the coast and projected sea level rise.

Key drivers:

  • ·Sea level rise
  • ·Increased storm intensity
stable

Wind

28/100

Moderate wind risk — cold fronts and gusty winds

stable

Storm

32/100

Moderate storm risk — severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — heating and cooling needs

In-Depth Climate Risk Guides for Ryanston

Detailed Hazard Analysis

heat Risk

50/100

Moderate heat risk, with increasing frequency and intensity of heatwaves projected.

Primary Drivers

  • ·Rising average temperatures
  • ·More frequent extreme heat days
  • ·Urban heat island effect (minor)

Projections (RCP 4.5)

2030

5.5

2050

6.5

Data source

flood Risk

40/100

Moderate flood risk due to proximity to coastal waterways and potential for storm surge.

Primary Drivers

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

Projections (RCP 4.5)

2030

4.5

2050

5.5

Data source

coastal Risk

70/100

High coastal erosion and inundation risk due to proximity to the coast and projected sea level rise.

Primary Drivers

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

Projections (RCP 8.5)

2030

7.5

2050

8.5

Data source

bushfire Risk

60/100

High bushfire risk due to surrounding vegetation and historical fire activity in the region.

Primary Drivers

  • ·Increased frequency of extreme fire weather days
  • ·Drier fuel loads
  • ·Vegetation encroachment

Projections (RCP 8.5)

2030

6.5

2050

7.5

Data source

What This Means for Property Owners

Insurance Outlook

Increasing premiums and potential for reduced cover in high-risk zones.

Price Impact

Potential negative impact on property values in high-risk areas, particularly those prone to coastal inundation or bushfire.

Buyer Checklist

  • 1.Review current and future flood maps.
  • 2.Assess bushfire attack level (BAL) rating.
  • 3.Investigate local emergency service response times.
  • 4.Check insurance policy details and exclusions.
  • 5.Understand coastal erosion and sea level rise projections for the area.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Bass River
Elevation Range
0-20m
Flood Zone
Low to Medium

Some low-lying areas near the Bass River may be susceptible to minor flooding during extreme rainfall events. Coastal inundation is a greater concern.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent
Planning Overlay
Significant Vegetation Overlay
Bushfire Prone Area
Yes

The suburb borders significant areas of native bushland, increasing the risk of ember attack and direct flame contact during bushfires.

Heat Evidence

Avg January Max Temp
25.5°C
Heat Stress Days/Year
5 days

While not a major heat island, Ryanston experiences typical regional heatwave conditions, with increasing frequency noted in recent decades.

Coastal Evidence

Distance to Coast
2.5 km
Sea Level Rise Exposure
High
Erosion Risk
High

Historical Climate Events

1962
bushfireMajor

The Black Friday bushfires impacted large areas of Victoria, including regions near Ryanston, causing significant destruction.

Source
2011
floodModerate

Significant rainfall led to localized flooding in low-lying areas of Gippsland, potentially affecting Ryanston's nearby waterways.

Source
2009
bushfireCatastrophic

The Black Saturday bushfires devastated parts of Victoria, highlighting the extreme bushfire risk in the state, including areas surrounding Ryanston.

Source
2016
heatwaveMajor

Victoria experienced a prolonged and intense heatwave, with temperatures exceeding 40°C in many areas, including the Gippsland region.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP 4.5

HazardToday20302050
flood404.5(+0.5)5.0(+1.0)
bushfire606.7(+0.7)7.3(+1.3)
heat505.6(+0.6)6.2(+1.2)
coastal707.9(+0.9)8.8(+1.8)

By 2030, Ryanston's overall climate risk is projected to increase moderately. Coastal hazards will see the most significant rise, followed by bushfire and heat risks. Flood risk will increase slightly.

CSIRO Climate Projections

Adaptation Recommendations

Develop and implement a comprehensive Bushfire Management Plan

Immediate

Enhance fuel reduction strategies, create strategic fire breaks, and improve community evacuation plans.

Est. cost: $$$

Learn more

Invest in coastal protection and adaptation measures

Near-term

Implement strategies such as dune restoration, managed retreat in vulnerable areas, and improved stormwater management to mitigate coastal inundation and erosion.

Est. cost: $$$$

Learn more

Upgrade stormwater infrastructure for increased rainfall intensity

Near-term

Improve drainage systems to cope with more frequent and intense rainfall events, reducing localized flooding.

Est. cost: $$

Learn more

Implement urban greening and heat-resilient design

Long-term

Increase tree canopy cover in public spaces and encourage heat-resilient building designs to mitigate the urban heat island effect and reduce heat stress.

Est. cost: $$

Learn more

Enhance community preparedness and awareness programs

Immediate

Conduct regular workshops and information sessions on bushfire, flood, and heatwave preparedness for residents.

Est. cost: $

Learn more

About Ryanston's Climate Risk Profile

Ryanston, located in Victoria, presents a complex climate risk profile. The suburb is particularly vulnerable to bushfire, with a high risk score driven by its proximity to significant bushland areas and the increasing frequency of extreme fire weather days. Historical data and climate projections indicate a worsening trend, necessitating robust fire preparedness measures.

Coastal hazards represent another major concern for Ryanston. The suburb's proximity to the coastline exposes it to a high risk of inundation and erosion, exacerbated by rising sea levels and more intense storm events. Projections show a significant increase in these risks by 2050, demanding strategic coastal management and adaptation planning.

Flood risk, while currently moderate, is also on an upward trajectory. This is influenced by a combination of factors including increased rainfall intensity and potential storm surges. While not as immediate a threat as bushfire or coastal erosion, flood preparedness remains an important consideration for residents and local authorities.

The risk of heatwaves in Ryanston is moderate but growing. As average temperatures rise and extreme heat days become more common, the impact on public health and infrastructure will intensify. This trend requires attention to urban cooling strategies and community resilience during heat events.

Overall, Ryanston's climate resilience hinges on addressing its most pressing risks: bushfire and coastal hazards. While other risks like flooding and heat are less severe, their increasing trends cannot be ignored. A comprehensive approach to adaptation, integrating local knowledge with scientific projections, is essential for safeguarding the community's future.

Data sources: Bureau of Meteorology (BOM) · CSIRO · Country Fire Authority (CFA) · State Emergency Service (SES) · Bass Coast Shire Council · Geoscience Australia · Victorian Government Planning

Local Government Resources

Frequently Asked Questions

What is the biggest climate risk for Ryanston?

The biggest climate risks for Ryanston are bushfire and coastal hazards, including inundation and erosion, due to its location and surrounding environment. Both are projected to worsen.

How will sea level rise affect Ryanston?

Sea level rise is expected to increase the risk of coastal inundation and erosion in Ryanston, particularly impacting properties closest to the coast. This is projected to become a more significant issue by 2050.

Is Ryanston prone to bushfires?

Yes, Ryanston is considered a bushfire-prone area due to its proximity to significant native vegetation. The risk is increasing due to climate change factors like hotter, drier conditions.

What can I do to prepare my property in Ryanston for climate risks?

For bushfire risk, maintain defensible space and have a bushfire plan. For flood and coastal risk, ensure your property is adequately protected and consider flood insurance. For heatwaves, ensure your home is well-ventilated and stay hydrated.

Which areas of Ryanston are most at risk from flooding?

Low-lying areas near the Bass River and coastal fringes are most susceptible to flooding and inundation. It's advisable to check the Bass Coast Shire Council's flood maps for specific details.

Are there any local initiatives in Ryanston addressing climate change?

Bass Coast Shire Council has a Climate Change Strategy and various environmental initiatives. Residents can also engage with local Landcare groups and community preparedness programs.

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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