Flood Risk in Wynnum, NT: 2026 Assessment

Wynnum, Northern Territory· UNKNOWN
Wynnum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. Climate change is expected to increase the intensity of rainfall, exacerbating flood risk.Updated 1 Apr 2026

Flood Risk Score

6.8/10

Wynnum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. Climate change is expected to increase the intensity of rainfall, exacerbating flood risk.

Key Facts

Flood Risk
Wynnum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. Climate change is expected to increase the intensity of rainfall, exacerbating flood risk.
Trend
increasing
Suburb
Wynnum, NT
Overall Risk
High

Flood Risk Analysis

Wynnum, located in Northern Territory, has a notable 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 Northern Territory.

Historical flood data indicates that properties close to the Elizabeth River are at higher risk.

Wynnum faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. Climate change is expected to increase the intensity of rainfall, exacerbating flood risk.

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.

Local Hazard Evidence

Nearest WaterwayElizabeth River
Elevation Range5-15m
Flood Zone ClassificationAreas near Elizabeth River are prone to flooding.

Historical Events

2012
Moderate

Heavy rainfall caused localized flooding in Wynnum, affecting some residential areas.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Implement bushfire management strategies, including fuel reduction and community education programs.

Est. cost: Medium

Enhance Flood Resilience

Near-term

Upgrade drainage infrastructure and implement flood-resistant building codes.

Est. cost: High

Develop Heatwave Action Plan

Immediate

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

Est. cost: Low

Coastal Protection Measures

Long-term

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

Est. cost: Very High

Council & Emergency Services

Northern Territory Government
Emergency Services

Data last updated: 1 April 2026

Explore Wynnum Risk Reports

Frequently Asked Questions

Is Wynnum at risk of flooding?

Based on available data, Wynnum has a notable 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 Wynnum?

Insurance costs for flood cover in Wynnum 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 Wynnum?

Yes, flood risk can affect property values in Wynnum. 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 Wynnum?

Elevation is a critical factor in flood risk. Properties at higher elevations within Wynnum 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 Wynnum Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Wynnum, Northern Territory, covering flood, bushfire, sea level rise and more.

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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