๐Ÿ“ฎ Swansea postcode: 7190

Flood Risk in Swansea, TAS: 2026 Assessment

Swansea, Tasmaniaยท Glamorgan-Spring Bayยท 7190
Swansea faces a moderate risk of flooding due to its coastal location and proximity to the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flooding events.Updated 12 Mar 2026

Flood Risk Score

6.0/10

Swansea faces a moderate risk of flooding due to its coastal location and proximity to the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flooding events.

Key Facts

Flood Risk
Swansea faces a moderate risk of flooding due to its coastal location and proximity to the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flooding events.
Trend
increasing
Suburb
Swansea, TAS
Overall Risk
Medium
Postcode
7190
Highest high-risk exposure
11.9% of land (surface flood)

Flood Risk Analysis

Swansea, 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.

Swansea has experienced several flooding events in the past, particularly during periods of heavy rainfall and high tides. The low-lying areas near the Swan River are most vulnerable.

Swansea faces a moderate risk of flooding due to its coastal location and proximity to the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flooding 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.

Swansea sits within ClimateNest's suburb-level hazard model for flood risk. 8% of the suburb's land area is mapped in high-risk flood zones and 81% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Swansea.

Swansea (postcode 7190) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are surface flood (11.9% of land in high-risk zones), riverine flood (8% of land in high-risk zones), bushfire (5.3% of land in high-risk zones). Exposure is not uniform across Swansea โ€” individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwaySwan River
Elevation Range0-20 meters
Flood Zone ClassificationCoastal Flood Zone

Historical Events

2018
Moderate

Heavy rainfall caused flooding in low-lying areas of Swansea, impacting several properties.

2003
Minor

Minor flooding occurred in Swansea due to heavy rainfall and high tides.

Adaptation & Mitigation Actions

Coastal Protection Measures

Immediate

Implement coastal protection measures such as seawalls, beach nourishment, and dune restoration to reduce the impact of sea level rise and coastal erosion.

Est. cost: High

Flood Management Planning

Near-term

Develop and implement a comprehensive flood management plan that includes improved drainage infrastructure, flood warning systems, and evacuation plans.

Est. cost: Medium

Bushfire Risk Mitigation

Near-term

Implement bushfire risk mitigation measures such as vegetation management, fire breaks, and community education programs.

Est. cost: Medium

Heatwave Preparedness

Near-term

Develop and implement a heatwave preparedness plan that includes public awareness campaigns, cooling centers, and support for vulnerable populations.

Est. cost: Low

Community Education and Awareness

Long-term

Raise community awareness about climate change risks and adaptation measures through workshops, information sessions, and online resources.

Est. cost: Low

Council & Emergency Services

Glamorgan-Spring Bay Council
Emergency Services

Data last updated: 12 March 2026

Explore Swansea Risk Reports

Frequently Asked Questions

Is Swansea at risk of flooding?

Based on available data, Swansea has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Swansea?

Insurance costs for flood cover in Swansea 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 Swansea?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Swansea 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.

What share of Swansea is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 11.9% of Swansea in high-risk zones for surface flood, with a further 68.3% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Swansea Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Swansea, Tasmania, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections