What the mapping shows for Dunalley
Part of Dunalley is mapped as subject to coastal inundation.
4.1% of Dunalley is mapped as subject to coastal inundation (coastal inundation hazard band, including 1% AEP storm tide at 2100)
13.4% of Dunalley is mapped as subject to coastal erosion (coastal erosion hazard band mapped for the Tasmanian planning system)
Tasmanian Coastal Inundation Hazard Bands (20161201), State of Tasmania (Department of Premier and Cabinet), 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 Dunalley →Flood Risk in Dunalley, TAS: 2026 Assessment
4.1% of Dunalley is mapped as subject to coastal inundation (coastal inundation hazard band, including 1% AEP storm tide at 2100)
That figure covers the suburb. Check whether your address is inside it - address-level, sourced, A$49.
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Flood Risk Score
Not assessedDunalley faces a moderate risk of flooding due to its low-lying coastal location and proximity to waterways. Heavy rainfall events can lead to localised flooding.
Key Facts
- Flood Risk
- Dunalley faces a moderate risk of flooding due to its low-lying coastal location and proximity to waterways. Heavy rainfall events can lead to localised flooding.
- Trend
- increasing
- Suburb
- Dunalley, TAS
- Overall Risk
- Medium
- Postcode
- 7177
Flood Risk Analysis
Dunalley, located in Tasmania, 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 Tasmania.
Low-lying areas near the coast are most vulnerable to flooding.
Dunalley faces a moderate risk of flooding due to its low-lying coastal location and proximity to waterways. Heavy rainfall events can lead to localised 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 Dunalley. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
Heavy rainfall caused localised flooding in low-lying areas of Dunalley.
Adaptation & Mitigation Actions
Upgrade Drainage Infrastructure
Near-termImprove drainage systems to reduce the risk of flooding from heavy rainfall events.
Est. cost: Medium
Strengthen Coastal Defenses
ImmediateImplement measures to protect against sea level rise and coastal erosion, such as seawalls and beach nourishment.
Est. cost: High
Develop Bushfire Management Plan
Near-termCreate a comprehensive bushfire management plan that includes fuel reduction, community education, and evacuation procedures.
Est. cost: Medium
Implement Heatwave Preparedness Plan
Long-termDevelop a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Low
Raise Awareness of Climate Risks
Long-termEducate the community about the risks of climate change and how to prepare for them.
Est. cost: Low
Council & Emergency Services
Explore Dunalley Risk Reports
View other climate risk assessments for Dunalley:
Frequently Asked Questions
Is Dunalley at risk of flooding?
Based on available data, Dunalley 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 Dunalley?
Insurance costs for flood cover in Dunalley 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 Dunalley?
Yes, flood risk can affect property values in Dunalley. 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 Dunalley?
Elevation is a critical factor in flood risk. Properties at higher elevations within Dunalley 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 Dunalley Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Dunalley, Tasmania, 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