Climate Risk Assessment for Mangrove Creek, NSW

Mangrove Creek, New South Wales
Medium Risk
Updated May 2026

Mangrove Creek faces increasing risks from flooding and bushfires due to climate change. The area also experiences moderately high temperatures during summer. 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
7.0
Heat
4.5
Coastal
1.0

Climate Hazard Breakdown for Mangrove Creek

increasing

Flood

65/100

Mangrove Creek is prone to flooding due to its location within a valley and proximity to waterways. Intense rainfall events can cause the creek to overflow, impacting low-lying areas.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
increasing

Bushfire

70/100

The area surrounding Mangrove Creek has a high bushfire risk due to the presence of dense vegetation and dry conditions during the summer months. Hot, dry winds can quickly spread fires, threatening properties and lives.

Key drivers:

  • ·Dry vegetation
  • ·Hotter temperatures
increasing

Heat

45/100

Mangrove Creek experiences moderately high temperatures during summer, with the potential for heatwaves. This can pose a risk to vulnerable populations, such as the elderly and those with pre-existing health conditions.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

Mangrove Creek is not directly exposed to coastal risks such as sea level rise and coastal erosion due to its inland location.

Key drivers:

  • ·Distance from coast
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 Mangrove Creek

Detailed Hazard Analysis

heat Risk

45/100

Mangrove Creek experiences moderately high temperatures during summer, with the potential for heatwaves. This can pose a risk to vulnerable populations, such as the elderly and those with pre-existing health conditions.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.0

2050

5.5

Data source

flood Risk

65/100

Mangrove Creek is prone to flooding due to its location within a valley and proximity to waterways. Intense rainfall events can cause the creek to overflow, impacting low-lying areas.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development
  • ·Climate change

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

10/100

Mangrove Creek is not directly exposed to coastal risks such as sea level rise and coastal erosion due to its inland location.

Primary Drivers

  • ·Distance from coast

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

70/100

The area surrounding Mangrove Creek has a high bushfire risk due to the presence of dense vegetation and dry conditions during the summer months. Hot, dry winds can quickly spread fires, threatening properties and lives.

Primary Drivers

  • ·Dry vegetation
  • ·Hotter temperatures
  • ·Increased frequency of heatwaves

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase due to the elevated flood and bushfire risks.

Price Impact

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

Buyer Checklist

  • 1.Check flood maps and bushfire prone area designations.
  • 2.Assess property's vulnerability to flooding and bushfires.
  • 3.Obtain adequate insurance coverage.
  • 4.Develop a bushfire survival plan.
  • 5.Consider installing flood mitigation measures.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Mangrove Creek
Elevation Range
50-150m
Flood Zone
Medium

Historical flood data indicates that properties near the creek are most vulnerable.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent
Planning Overlay
RFS Bush Fire Prone Land
Bushfire Prone Area
Yes

The area is designated as bushfire prone, requiring specific building standards for new constructions.

Heat Evidence

Avg January Max Temp
31.5°C
Heat Stress Days/Year
3 days

The number of days exceeding 35°C is projected to increase in the coming decades.

Coastal Evidence

Distance to Coast
35 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

2013
bushfireModerate

A bushfire near Mangrove Creek threatened properties, requiring residents to evacuate. Source: RFS.

Source
2015
floodModerate

Heavy rainfall caused Mangrove Creek to flood, inundating low-lying areas and disrupting traffic. Source: SES.

Source
2019
bushfireMajor

The devastating bushfires of 2019-2020 impacted the region, with smoke and ash affecting air quality in Mangrove Creek. Source: RFS.

Source
2022
floodMajor

Significant flooding event impacted Mangrove Creek and surrounding areas, causing property damage and road closures. Source: SES.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood657.0(+0.5)7.5(+1.0)
bushfire707.5(+0.5)8.0(+1.0)
heat454.8(+0.3)5.0(+0.5)
coastal101.01.0

By 2030, Mangrove Creek is projected to experience an increase in flood and bushfire risk due to climate change. Heatwaves are also expected to become more frequent and intense.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Construct levees and drainage systems to protect properties from flooding.

Est. cost: High

Learn more

Bushfire Mitigation

Immediate

Implement vegetation management programs and create firebreaks to reduce the risk of bushfires.

Est. cost: Medium

Learn more

Heatwave Preparedness

Near-term

Establish cooling centers and provide public education on heatwave safety.

Est. cost: Low

Learn more

Community Awareness

Long-term

Conduct community workshops and distribute information on climate risks and adaptation measures.

Est. cost: Low

Learn more

About Mangrove Creek's Climate Risk Profile

Mangrove Creek, located in New South Wales, is increasingly vulnerable to the impacts of climate change. The primary risks include flooding, bushfires, and heatwaves. Changes in rainfall patterns and rising temperatures are exacerbating these hazards, posing significant challenges to the community.

Flooding is a major concern due to the suburb's location near waterways. Intense rainfall events can cause the creek to overflow, inundating low-lying areas and damaging properties. Climate change is expected to increase the frequency and intensity of these rainfall events, further elevating the flood risk.

The surrounding bushland also presents a significant bushfire risk, particularly during the dry summer months. Hot, dry conditions and strong winds can quickly spread fires, threatening homes and lives. Climate change is contributing to longer and more intense fire seasons, increasing the likelihood of bushfires in the area.

Heatwaves are another growing concern, with rising temperatures posing a risk to vulnerable populations. The elderly, children, and those with pre-existing health conditions are particularly susceptible to heat-related illnesses. Climate change is expected to increase the frequency and severity of heatwaves in the region.

Addressing these climate risks requires a multi-faceted approach, including improved infrastructure, enhanced emergency preparedness, and community awareness programs. Residents should take steps to protect their properties and families from the impacts of extreme weather events.

Data sources: BOM · CSIRO · NSW SES · NSW RFS · Central Coast Council

Local Government Resources

Frequently Asked Questions

What are the main climate risks facing Mangrove Creek?

Mangrove Creek is primarily at risk from flooding, bushfires, and heatwaves due to climate change.

How will climate change affect property values in Mangrove Creek?

Properties in high-risk areas may experience a decrease in value due to the increased risk of flooding and bushfires.

What can I do to protect my property from flooding?

Consider installing flood mitigation measures, such as raising the foundation of your home and installing flood barriers.

How can I prepare for a bushfire?

Develop a bushfire survival plan, clear vegetation around your home, and ensure you have adequate insurance coverage.

Where can I find more information about climate change in Mangrove Creek?

Consult the Central Coast Council website and the NSW Government's climate change resources for more information.

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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