Flood Risk in Wynnum, TAS: 2026 Assessment

Wynnum, Tasmania· UNKNOWN
Wynnum faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.Updated 2 Apr 2026

Flood Risk Score

6.0/10

Wynnum faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

Key Facts

Flood Risk
Wynnum faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
Trend
increasing
Suburb
Wynnum, TAS
Overall Risk
Medium

Flood Risk Analysis

Wynnum, located in Tasmania, 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 Tasmania.

Low-lying areas near the coast are particularly vulnerable to flooding during high tides and storm surges.

Wynnum faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

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 WaterwayProximity to Frederick Henry Bay
Elevation Range0-20 meters above sea level
Flood Zone ClassificationCoastal Flood Zone

Historical Events

2013
Moderate

Heavy rainfall caused localized flooding in low-lying areas of Wynnum.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Protect Coastal Areas

Immediate

Implement coastal protection measures such as seawalls and beach nourishment to reduce erosion and inundation.

Est. cost: High

Develop Heatwave Early Warning System

Near-term

Establish a system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Promote Energy Efficiency

Long-term

Encourage residents to adopt energy-efficient practices to reduce greenhouse gas emissions and lower energy bills.

Est. cost: Low

Bushfire Preparedness Planning

Near-term

Develop and implement bushfire preparedness plans for properties near bushland, including clearing vegetation and creating firebreaks.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 2 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, Tasmania, 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