Is Woonona, NSW Climate Safe? 2026 Assessment
Climate Safety Score
5.8/10Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- Woonona faces a moderate risk of flooding due to its proximity to creeks and low-lying areas. Intense rainfall events can lead to flash flooding.
- Bushfire
- Bushfire risk in Woonona is moderate, particularly in areas bordering bushland. Dry conditions and strong winds can exacerbate the risk.
- Heat
- Woonona is experiencing an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations.
- Storm
- Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
- Postcode
- 2517
- Highest high-risk exposure
- 20.5% of land (bushfire)
Climate Safety Analysis
Woonona in New South Wales has an overall climate safety rating of Medium. This multi-hazard assessment combines flood, bushfire, heat, coastal, and storm risk data with climate projections to 2050 from CSIRO and the Bureau of Meteorology.
Key factors affecting Woonona's climate safety include heat, flood, coastal. Each hazard is assessed independently and combined for an overall picture. Australia has warmed by approximately 1.5 °C since 1910, with flow-on effects to fire weather, extreme rainfall, and heatwave frequency.
Climate safety for property in Woonona is not uniform — it varies by address. Factors such as elevation, distance to waterways, proximity to bushland, and local drainage all influence actual risk at a specific property. Two nearby properties can have materially different risk profiles.
For a complete property-specific climate safety report for Woonona including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
Woonona (postcode 2517) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (20.5% of land in high-risk zones), riverine flood (6.8% of land in high-risk zones), surface flood (4.1% of land in high-risk zones). Exposure is not uniform across Woonona — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.
Local Hazard Evidence
Historical Events
Woonona experienced a prolonged heatwave in January, with temperatures exceeding 40°C for several days.
A severe storm caused damage to homes and infrastructure in Woonona, with strong winds and heavy rainfall.
A bushfire near the Illawarra Escarpment threatened properties in Woonona, but was quickly contained by firefighters.
Heavy rainfall caused flash flooding in Woonona, affecting homes and businesses near Woonona Brook.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termUpgrade drainage infrastructure and construct flood barriers to protect properties from flooding.
Est. cost: Medium
Develop a Heatwave Management Plan
ImmediateImplement a heatwave management plan to protect vulnerable residents during extreme heat events.
Est. cost: Low
Strengthen Coastal Defenses
Long-termImplement coastal protection measures to mitigate the impacts of sea level rise and coastal erosion.
Est. cost: High
Enhance Bushfire Preparedness
Near-termImplement bushfire mitigation strategies, such as vegetation management and community education programs.
Est. cost: Medium
Council & Emergency Services
Explore Woonona Risk Reports
View other climate risk assessments for Woonona:
Frequently Asked Questions
Is Woonona safe from climate change?
No location in Australia is entirely immune to climate change impacts. Woonona has an overall Medium climate risk rating. Understanding the specific hazards at your property address — not just the suburb average — provides the most reliable risk picture.
Which climate hazard poses the biggest risk in Woonona?
The dominant hazard for Woonona depends on geography and local environment. Proximity to waterways elevates flood risk, while proximity to bushland increases bushfire risk. ClimateNest's multi-hazard analysis identifies the highest-risk hazards for any specific address.
How does Woonona compare to nearby suburbs for climate safety?
Nearby suburbs may have different climate risk profiles depending on elevation, vegetation cover, drainage patterns, and land use. ClimateNest allows comparison of climate safety scores across New South Wales suburbs.
Should I be concerned about buying property in Woonona?
Climate risk should be one factor in your decision, alongside price, location, and amenity. An informed buyer understands the specific risks at a property address and factors insurance costs and climate projections into their assessment of long-term value.
What climate projections should I know for Woonona?
Key projections for New South Wales from CSIRO include increased average temperatures, more frequent hot days, changes in rainfall seasonality, longer fire seasons, and potential increases in extreme rainfall intensity. These trends inform the long-term outlook for Woonona.
What share of Woonona is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 20.5% of Woonona in high-risk zones for bushfire, with a further 70.1% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.
Is Woonona Safe from Climate Risk?
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections