๐Ÿ“ฎ Beaumaris postcode: 3193

Flood Risk in Beaumaris, VIC: 2026 Assessment

Beaumaris, Victoriaยท Baysideยท 3193
Beaumaris faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's proximity to Port Phillip Bay also contributes to the risk.Updated 31 Mar 2026

Flood Risk Score

4.5/10

Beaumaris faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's proximity to Port Phillip Bay also contributes to the risk.

Key Facts

Flood Risk
Beaumaris faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's proximity to Port Phillip Bay also contributes to the risk.
Trend
increasing
Suburb
Beaumaris, VIC
Overall Risk
Medium
Postcode
3193
Highest high-risk exposure
15.9% of land (bushfire)

Flood Risk Analysis

Beaumaris, located in Victoria, 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 Victoria.

Some areas are susceptible to flash flooding during intense rainfall events.

Beaumaris faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The area's proximity to Port Phillip Bay also contributes to the 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.

Beaumaris sits within ClimateNest's suburb-level hazard model for flood risk. 4.5% of the suburb's land area is mapped in high-risk flood zones and 69.3% 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 Beaumaris.

Beaumaris (postcode 3193) 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 bushfire (15.9% of land in high-risk zones), surface flood (5.8% of land in high-risk zones), riverine flood (4.5% of land in high-risk zones). Exposure is not uniform across Beaumaris 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 WaterwayPort Phillip Bay
Elevation Range2-20 meters
Flood Zone ClassificationOverland Flow Path

Historical Events

2011
Minor

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

Adaptation & Mitigation Actions

Coastal Protection Measures

Near-term

Invest in seawalls, beach nourishment, and other coastal protection measures to mitigate the impacts of sea level rise and erosion.

Est. cost: High

Improved Stormwater Management

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Urban Greening Initiatives

Immediate

Increase tree canopy cover and green spaces to reduce the urban heat island effect and provide shade during heatwaves.

Est. cost: Low

Community Education Programs

Immediate

Develop and implement community education programs to raise awareness about climate risks and promote preparedness for extreme weather events.

Est. cost: Low

Building Code Updates

Long-term

Update building codes to incorporate climate resilience measures, such as improved insulation and flood-resistant design.

Est. cost: Medium

Council & Emergency Services

Bayside City Council
Emergency Services

Data last updated: 31 March 2026

Explore Beaumaris Risk Reports

Frequently Asked Questions

Is Beaumaris at risk of flooding?

Based on available data, Beaumaris 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 Beaumaris?

Insurance costs for flood cover in Beaumaris 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 Beaumaris?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Beaumaris 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 Beaumaris is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 15.9% of Beaumaris in high-risk zones for bushfire, with a further 77.8% 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 Beaumaris Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Beaumaris, Victoria, 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