What the mapping shows for Devonport
Part of Devonport is mapped as subject to coastal inundation.
1.3% of Devonport is mapped as subject to coastal inundation (coastal inundation hazard band, including 1% AEP storm tide at 2100)
7.7% of Devonport 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 Devonport →Flood Risk in Devonport, TAS: 2026 Assessment
1.3% of Devonport 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 assessedDevonport faces a notable risk of flooding due to its proximity to the Mersey River and coastal location. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.
Key Facts
- Flood Risk
- Devonport faces a notable risk of flooding due to its proximity to the Mersey River and coastal location. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.
- Trend
- increasing
- Suburb
- Devonport, TAS
- Overall Risk
- Medium
- Postcode
- 7310
Flood Risk Analysis
Devonport, 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.
Historical flood events have impacted Devonport, highlighting the need for ongoing flood mitigation efforts. The council has implemented some flood management strategies, but further investment is needed to address future risks.
Devonport faces a notable risk of flooding due to its proximity to the Mersey River and coastal location. Increased rainfall intensity and rising sea levels are expected to exacerbate this 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.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Devonport. 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 led to localized flooding in low-lying areas of Devonport.
Significant flooding occurred in Devonport due to heavy rainfall, causing damage to properties and infrastructure.
Adaptation & Mitigation Actions
Upgrade Flood Defenses
Near-termInvest in upgrading flood defenses, such as levees and drainage systems, to protect properties and infrastructure from increased flood risk.
Est. cost: High
Coastal Protection Measures
Near-termImplement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and coastal erosion.
Est. cost: High
Heatwave Preparedness Plan
ImmediateDevelop and implement a heatwave preparedness plan to protect vulnerable populations during extreme heat events. This includes establishing cooling centers and providing public awareness campaigns.
Est. cost: Medium
Bushfire Risk Mitigation
Long-termImplement bushfire risk mitigation measures, such as vegetation management and community education programs, to reduce the risk of bushfires in surrounding areas.
Est. cost: Medium
Climate-Resilient Infrastructure
Long-termEnsure that all new infrastructure projects are designed to be climate-resilient, taking into account the projected impacts of climate change.
Est. cost: High
Council & Emergency Services
Explore Devonport Risk Reports
View other climate risk assessments for Devonport:
Frequently Asked Questions
Is Devonport at risk of flooding?
Based on available data, Devonport 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 Devonport?
Insurance costs for flood cover in Devonport 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 Devonport?
Yes, flood risk can affect property values in Devonport. 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 Devonport?
Elevation is a critical factor in flood risk. Properties at higher elevations within Devonport 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 Devonport Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Devonport, Tasmania, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections