Flood Risk in Highett, VIC: 2026 Assessment

Highett, Victoria· UNKNOWN
Highett faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The proximity to waterways increases the potential for inundation.Updated 21 Mar 2026

Flood Risk Score

6.5/10

Highett faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The proximity to waterways increases the potential for inundation.

Key Facts

Flood Risk
Highett faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The proximity to waterways increases the potential for inundation.
Trend
increasing
Suburb
Highett, VIC
Overall Risk
Medium
Postcode
3190
Highest high-risk exposure
17.1% of land (bushfire)

Flood Risk Analysis

Highett, 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.

Historical flood events have impacted properties near the bay and along major drainage lines.

Highett faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The proximity to waterways increases the potential for inundation.

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.

Highett sits within ClimateNest's suburb-level hazard model for flood risk. 5.6% of the suburb's land area is mapped in high-risk flood zones and 78.6% 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 Highett.

Highett (postcode 3190) 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 (17.1% of land in high-risk zones), surface flood (7.5% of land in high-risk zones), riverine flood (5.6% of land in high-risk zones). Exposure is not uniform across Highett — 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 Range5-15m
Flood Zone ClassificationAreas near the bay and low-lying areas are susceptible to flooding.

Historical Events

2011
Minor

Localized flooding occurred due to heavy rainfall and stormwater runoff.

1972
Moderate

Heavy rainfall caused widespread flooding in Melbourne, including parts of Highett.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Increase green spaces

Near-term

Plant more trees and create green spaces to reduce the urban heat island effect and provide shade.

Est. cost: Medium

Develop a heatwave response plan

Immediate

Implement a heatwave early warning system and provide support for vulnerable populations during heatwaves.

Est. cost: Low

Coastal protection measures

Long-term

Implement coastal protection measures such as seawalls and beach nourishment to protect against sea level rise and erosion.

Est. cost: High

Community education programs

Near-term

Educate residents about climate change risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

City of Kingston
Emergency Services

Data last updated: 21 March 2026

Explore Highett Risk Reports

Frequently Asked Questions

Is Highett at risk of flooding?

Based on available data, Highett 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 Highett?

Insurance costs for flood cover in Highett 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 Highett?

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

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

ClimateNest's hazard overlay maps 17.1% of Highett in high-risk zones for bushfire, with a further 70.1% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Highett Safe from Climate Risk?

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