Flood Risk in Fremantle, TAS: 2026 Assessment

Fremantle, Tasmania· UNKNOWN
Fremantle 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 exacerbating flood events.Updated 3 Apr 2026

Flood Risk Score

6.0/10

Fremantle 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 exacerbating flood events.

Key Facts

Flood Risk
Fremantle 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 exacerbating flood events.
Trend
increasing
Suburb
Fremantle, TAS
Overall Risk
Medium

Flood Risk Analysis

Fremantle, 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.

Fremantle's low elevation makes it susceptible to coastal and riverine flooding.

Fremantle 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 exacerbating 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 WaterwayDerwent River
Elevation Range0-20 meters
Flood Zone ClassificationCoastal Flood Zone

Historical Events

2018
Moderate

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

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Near-term

Invest in improved drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: High

Protect Coastal Areas

Immediate

Implement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and coastal erosion.

Est. cost: Very High

Develop Heatwave Response Plans

Near-term

Create and implement heatwave response plans to protect vulnerable populations during extreme heat events.

Est. cost: Medium

Raise Building Standards

Long-term

Update building codes to require new construction to be more resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: Medium

Community Awareness Programs

Near-term

Educate residents about climate change risks and adaptation measures through community awareness programs.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 3 April 2026

Explore Fremantle Risk Reports

Frequently Asked Questions

Is Fremantle at risk of flooding?

Based on available data, Fremantle 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 Fremantle?

Insurance costs for flood cover in Fremantle 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 Fremantle?

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

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

Enter your address below for an instant climate risk assessment for Fremantle, 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