Storm Risk in Bunbury, WA: 2026 Assessment

Bunbury, Western Australia· UNKNOWN
Moderate storm risk — winter storms and occasional severe thunderstormsUpdated 3 Apr 2026

Storm Risk Score

2.8/10

Moderate storm risk — winter storms and occasional severe thunderstorms

Key Facts

Storm Risk
Moderate storm risk — winter storms and occasional severe thunderstorms
Trend
stable
Suburb
Bunbury, WA
Overall Risk
Medium
Postcode
6230
Highest high-risk exposure
20.4% of land (bushfire)

Storm Risk Analysis

Bunbury, Western Australia, has a moderate storm risk profile. This includes exposure to severe thunderstorms, hail, damaging winds, and — in tropical regions — cyclone impacts. The applicable wind region classification under AS/NZS 1170.2 influences building design standards for Bunbury.

Severe thunderstorms affecting Bunbury can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for Western Australia, and historical storm data helps characterise the frequency and intensity of events in the region.

CSIRO research indicates that the intensity of severe convective storms — including those producing hail and damaging winds — may increase in a warming climate. For Bunbury property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

ClimateNest provides address-level storm risk reports for Bunbury including wind zone classification, hail risk probability, and property-specific mitigation recommendations based on your building characteristics.

Bunbury sits within ClimateNest's suburb-level hazard model for severe storm risk. 8% of the suburb's land area is mapped in high-risk severe storm zones and 71.5% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Bunbury.

Bunbury (postcode 6230) 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 (20.4% of land in high-risk zones), surface flood (8% of land in high-risk zones), tropical cyclone (8% of land in high-risk zones). Exposure is not uniform across Bunbury — 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

Wind/Storm RegionLow-lying coastal areas are vulnerable to sea level rise.
Storm Risk LevelCoastal erosion is a concern along certain sections of the Bunbury coastline.
Distance to Coast0.5 km

Historical Events

2022
Moderate

A severe storm caused damage to homes and infrastructure in Bunbury, with strong winds and heavy rainfall.

Adaptation & Mitigation Actions

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of flooding in low-lying areas.

Est. cost: Medium

Implement coastal protection measures

Long-term

Construct seawalls and other coastal protection structures to protect against sea level rise and storm surge.

Est. cost: High

Develop a heatwave plan

Immediate

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

Est. cost: Low

Promote bushfire preparedness

Near-term

Educate residents about bushfire safety and encourage them to prepare their properties for bushfires.

Est. cost: Low

Invest in renewable energy

Long-term

Transition to renewable energy sources to reduce greenhouse gas emissions and mitigate climate change.

Est. cost: High

Council & Emergency Services

City of Bunbury
Emergency Services

Data last updated: 3 April 2026

Explore Bunbury Risk Reports

Frequently Asked Questions

Is Bunbury prone to hailstorms?

Hail risk in Bunbury depends on the frequency of severe thunderstorm activity in the Western Australia region. BOM tracks severe storm events including hail. Property-specific risk depends on roof design, building orientation, and local storm patterns.

What wind rating applies to buildings in Bunbury?

Under AS/NZS 1170.2, properties in Bunbury are assigned a wind region classification. This rating determines structural design requirements for new buildings. Check with ClimateNest or a structural engineer for your property's classification.

Does storm risk affect insurance premiums in Bunbury?

Yes, storm damage — including wind, hail, and rain ingress — is one of the most common insurance claims in Australia. Properties in higher wind zones or with greater hail exposure may face higher premiums or specific policy conditions.

What storm mitigation measures should Bunbury property owners consider?

Storm mitigation includes impact-resistant roofing, cyclone-rated fixings where required, window and door shutters, regular roof and gutter maintenance, securing outdoor items, and ensuring compliance with current wind load standards under the National Construction Code.

What share of Bunbury is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 20.4% of Bunbury in high-risk zones for bushfire, with a further 52% 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 Bunbury Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Bunbury, Western Australia, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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