Climate Risk Assessment for Carey Bay, NSW

Carey Bay, New South Wales· Lake Macquarie· 2283
Medium Risk
Updated May 2026

Carey Bay faces moderate climate risks, primarily from flooding, heatwaves, and coastal hazards. Sea level rise and increased rainfall intensity are key drivers of these risks, potentially impacting property values and community well-being. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

58/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
3.0
Heat
7.0
Coastal
6.0

Climate Hazard Breakdown for Carey Bay

increasing

Flood

65/100

Carey Bay is susceptible to flooding due to its proximity to Lake Macquarie and low-lying areas. Heavy rainfall events can lead to stormwater runoff exceeding drainage capacity, causing inundation of properties and infrastructure.

Key drivers:

  • ·Increased rainfall intensity
  • ·Sea level rise
stable

Bushfire

30/100

The bushfire risk in Carey Bay is relatively low compared to other areas in NSW. However, proximity to bushland areas increases the potential for ember attacks and localized fires during extreme weather conditions.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

70/100

Carey Bay experiences high temperatures during summer months, with potential for heatwaves. Vulnerable populations, such as the elderly and those with chronic health conditions, are at increased risk of heat-related illnesses.

Key drivers:

  • ·Rising global temperatures
  • ·Urban heat island effect
increasing

Coastal

60/100

Carey Bay is exposed to coastal hazards such as sea level rise and storm surges due to its location on the shores of Lake Macquarie. These hazards can lead to erosion, inundation of low-lying areas, and damage to coastal infrastructure.

Key drivers:

  • ·Sea level rise
  • ·Increased storm intensity
stable

Wind

28/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

39/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

21/100

Moderate social stability — mixed urban density

increasing

Energy

35/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Carey Bay

Detailed Hazard Analysis

heat Risk

70/100

Carey Bay experiences high temperatures during summer months, with potential for heatwaves. Vulnerable populations, such as the elderly and those with chronic health conditions, are at increased risk of heat-related illnesses.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

65/100

Carey Bay is susceptible to flooding due to its proximity to Lake Macquarie and low-lying areas. Heavy rainfall events can lead to stormwater runoff exceeding drainage capacity, causing inundation of properties and infrastructure.

Primary Drivers

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

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

60/100

Carey Bay is exposed to coastal hazards such as sea level rise and storm surges due to its location on the shores of Lake Macquarie. These hazards can lead to erosion, inundation of low-lying areas, and damage to coastal infrastructure.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm intensity

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

bushfire Risk

30/100

The bushfire risk in Carey Bay is relatively low compared to other areas in NSW. However, proximity to bushland areas increases the potential for ember attacks and localized fires during extreme weather conditions.

Primary Drivers

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

Projections (RCP8.5)

2030

3.2

2050

3.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in the future due to increased flood and storm risks.

Price Impact

Properties in low-lying areas may experience a decrease in value due to flood risk.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess the property's elevation and drainage.
  • 3.Consider the potential impact of sea level rise.
  • 4.Inquire about insurance costs and coverage.
  • 5.Evaluate the property's energy efficiency.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Lake Macquarie
Elevation Range
2-10 meters
Flood Zone
Areas adjacent to Lake Macquarie are designated as flood zones.

Historical flood events have impacted properties along the lake foreshore.

View council flood map

Bushfire Evidence

Distance to Bushland
Approximately 1km to Awaba State Forest
Planning Overlay
RFS bushfire prone area map indicates some areas are bushfire prone.
Bushfire Prone Area
Yes

Vegetation management is important to reduce bushfire risk.

Heat Evidence

Avg January Max Temp
28.5°C
Heat Stress Days/Year
3 days

Elderly residents are particularly vulnerable during heatwaves.

Coastal Evidence

Distance to Coast
0.1 km
Sea Level Rise Exposure
Low-lying areas are exposed to sea level rise.
Erosion Risk
Some areas along the lake foreshore are at risk of erosion.

Historical Climate Events

2007
floodModerate

Major flooding occurred in the Hunter region, impacting Carey Bay with significant rainfall and inundation of low-lying areas.

Source
2013
bushfireMinor

Bushfires in the surrounding Lake Macquarie region caused smoky conditions in Carey Bay, with some localized ember attacks.

Source
2017
stormModerate

Severe storms caused damage to properties in Carey Bay, with strong winds and heavy rainfall leading to fallen trees and power outages.

Source
2019
heatwaveModerate

Prolonged heatwave conditions in January led to increased demand for electricity and strain on the power grid in Carey Bay.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood656.9(+0.4)7.5(+1.0)
bushfire303.1(+0.1)3.3(+0.3)
heat707.5(+0.5)8.5(+1.5)
coastal606.2(+0.2)6.7(+0.7)

Under a moderate emissions scenario, Carey Bay is projected to experience a slight increase in overall climate risk by 2030, with the most significant increases in heatwave intensity and flood frequency.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

Upgrade stormwater drainage systems to increase capacity and reduce the risk of flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Promote Energy Efficiency

Long-term

Encourage residents and businesses to adopt energy-efficient practices and technologies to reduce greenhouse gas emissions and lower energy costs.

Est. cost: Low

Learn more

Protect Coastal Ecosystems

Near-term

Preserve and restore coastal ecosystems, such as mangroves and saltmarshes, to provide natural protection against erosion and storm surges.

Est. cost: Medium

Learn more

Develop Heatwave Management Plan

Immediate

Implement a heatwave management plan to protect vulnerable populations during extreme heat events, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Learn more

Raise Community Awareness

Near-term

Conduct community workshops and educational programs to raise awareness of climate risks and encourage residents to prepare for extreme weather events.

Est. cost: Low

Learn more

About Carey Bay's Climate Risk Profile

Carey Bay, located on the shores of Lake Macquarie, is increasingly vulnerable to the impacts of climate change. The suburb's low-lying topography and proximity to the lake make it particularly susceptible to flooding from heavy rainfall and rising sea levels. Climate projections indicate that these risks will intensify in the coming decades, potentially leading to more frequent and severe inundation of properties and infrastructure.

Heatwaves are another significant concern for Carey Bay. As global temperatures continue to rise, the suburb is expected to experience more frequent and intense heatwaves, posing a threat to public health, especially for vulnerable populations. The urban heat island effect, caused by the concentration of buildings and paved surfaces, can exacerbate these conditions.

Coastal hazards, such as erosion and storm surges, also pose a risk to Carey Bay. Sea level rise is expected to gradually inundate low-lying coastal areas, while storm surges can cause significant damage to properties and infrastructure along the shoreline. These hazards can also impact recreational activities and tourism, which are important to the local economy.

Addressing these climate risks requires a coordinated effort from government, businesses, and the community. Implementing adaptation measures, such as improving drainage infrastructure, promoting energy efficiency, and protecting coastal ecosystems, can help to reduce the vulnerability of Carey Bay to climate change. Raising awareness of climate risks and encouraging residents to prepare for extreme weather events are also crucial steps.

Data sources: BOM · CSIRO · NSW SES · NSW RFS · Lake Macquarie City Council

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Carey Bay?

Carey Bay faces increasing risks from flooding, heatwaves, and coastal hazards due to climate change. Rising sea levels and more intense rainfall events are expected to exacerbate these risks.

How will climate change affect property values in Carey Bay?

Properties in low-lying areas of Carey Bay may experience a decrease in value due to increased flood risk and coastal erosion. However, properties that are well-adapted to climate change may retain their value.

What can I do to protect my home from flooding in Carey Bay?

You can protect your home from flooding by installing flood barriers, improving drainage around your property, and raising the elevation of your home. It is also important to have flood insurance.

How can I prepare for heatwaves in Carey Bay?

You can prepare for heatwaves by staying hydrated, seeking air-conditioned environments, and checking on vulnerable neighbors. It is also important to have a heatwave management plan for your home.

What is the local council doing to address climate change in Carey Bay?

Lake Macquarie City Council is implementing a range of measures to address climate change, including improving drainage infrastructure, promoting energy efficiency, and protecting coastal ecosystems. The council also has a climate strategy that outlines its long-term goals for reducing greenhouse gas emissions and adapting to climate change.

Where can I find more information about climate change risks in Carey Bay?

You can find more information about climate change risks in Carey Bay from Lake Macquarie City Council, the NSW State Emergency Service, and the Bureau of Meteorology.

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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