What the mapping shows for Wynnum
Part of Wynnum is mapped as subject to coastal inundation.
6.6% of Wynnum is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
Queensland Coastal Management District, State of Queensland (Department of Environment, Tourism, Science and Innovation), Creative Commons Attribution 4.0, retrieved 2026-10-23
This is a share of the suburb's land area from a published state dataset, not an assessment of any property. A ClimateNest report scores the individual address across eight hazards, with insurance and value projections to 2050.
Check an address in Wynnum →Storm Risk in Wynnum, QLD: 2026 Assessment
6.6% of Wynnum is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
That figure covers the suburb. Check whether your address is inside it - address-level, sourced, A$49.
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Storm Risk Score
Not assessedNotable storm risk — tropical cyclones and severe thunderstorms in summer months
Key Facts
- Storm Risk
- Notable storm risk — tropical cyclones and severe thunderstorms in summer months
- Trend
- increasing
- Suburb
- Wynnum, QLD
- Overall Risk
- Medium
- Postcode
- 4178
Storm Risk Analysis
Wynnum, Queensland, has a location-specific 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 Wynnum.
Severe thunderstorms affecting Wynnum can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for Queensland, 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 Wynnum property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.
ClimateNest provides address-level storm risk reports for Wynnum including wind zone classification, hail risk probability, and property-specific mitigation recommendations based on your building characteristics.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Wynnum. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
A severe storm caused damage to property and infrastructure in Wynnum, with strong winds and heavy rainfall.
Adaptation & Mitigation Actions
Upgrade drainage infrastructure
Near-termImprove stormwater drainage systems to reduce the risk of flooding during heavy rainfall events.
Est. cost: Medium
Protect and restore coastal habitats
Long-termRestore mangroves and other coastal vegetation to provide natural buffers against sea level rise and storm surge.
Est. cost: Medium
Implement heatwave early warning systems
ImmediateDevelop and implement heatwave early warning systems to alert vulnerable populations and provide guidance on how to stay safe during extreme heat events.
Est. cost: Low
Raise awareness about climate risks
Near-termConduct community education campaigns to raise awareness about climate risks and promote adaptation measures.
Est. cost: Low
Strengthen building codes
Long-termUpdate building codes to ensure that new buildings are resilient to climate change impacts, such as flooding and heatwaves.
Est. cost: Medium
Council & Emergency Services
Explore Wynnum Risk Reports
View other climate risk assessments for Wynnum:
Frequently Asked Questions
Is Wynnum prone to hailstorms?
Hail risk in Wynnum depends on the frequency of severe thunderstorm activity in the Queensland 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 Wynnum?
Under AS/NZS 1170.2, properties in Wynnum 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 Wynnum?
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 Wynnum 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.
Is Wynnum Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Wynnum, Queensland, covering flood, bushfire, sea level rise and more.
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Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections