📮 Woonona postcode: 2517

Flood Risk in Woonona, NSW: 2026 Assessment

Woonona, New South Wales· Wollongong· 2517
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.Updated 30 May 2026

Is Woonona Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Woonona, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

Not ready to check your address? See a free sample report →

Flood Risk Score

Not assessed

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.

Key Facts

Flood Risk
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.
Trend
increasing
Suburb
Woonona, NSW
Overall Risk
Medium
Postcode
2517

Flood Risk Analysis

Woonona, located in New South Wales, has a location-specific flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across New South Wales.

Historical flood data indicates that properties near the brook have experienced flooding in the past.

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.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Woonona. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Local Hazard Evidence

Nearest WaterwayWoonona Brook
Elevation Range0-50m
Flood Zone ClassificationAreas near Woonona Brook are designated as flood zones.

Historical Events

2011
Moderate

Heavy rainfall caused flash flooding in Woonona, affecting homes and businesses near Woonona Brook.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and construct flood barriers to protect properties from flooding.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

Implement a heatwave management plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Strengthen Coastal Defenses

Long-term

Implement coastal protection measures to mitigate the impacts of sea level rise and coastal erosion.

Est. cost: High

Enhance Bushfire Preparedness

Near-term

Implement bushfire mitigation strategies, such as vegetation management and community education programs.

Est. cost: Medium

Council & Emergency Services

Wollongong City Council
Emergency Services

Data last updated: 30 May 2026

Explore Woonona Risk Reports

Frequently Asked Questions

Is Woonona at risk of flooding?

Based on available data, Woonona has a location-specific flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Woonona?

Insurance costs for flood cover in Woonona depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Woonona?

Yes, flood risk can affect property values in Woonona. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Woonona?

Elevation is a critical factor in flood risk. Properties at higher elevations within Woonona typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

Is Woonona Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Woonona, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections