Flood Risk in Manly, ACT: 2026 Assessment

Manly, Australian Capital Territory· UNKNOWN
Manly faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 3 Apr 2026

Flood Risk Score

6.5/10

Manly faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Manly faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Manly, ACT
Overall Risk
Medium

Flood Risk Analysis

Manly, located in Australian Capital Territory, 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 Australian Capital Territory.

Some areas near the Molonglo River are prone to flooding during heavy rainfall events.

Manly faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood 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.

Local Hazard Evidence

Nearest WaterwayMolonglo River
Elevation Range550-600m
Flood Zone ClassificationPotentially affected

Adaptation & Mitigation Actions

Upgrade drainage infrastructure

Near-term

Invest in upgrading drainage infrastructure to reduce the risk of flooding during heavy rainfall events.

Est. cost: High

Implement bushfire prevention measures

Immediate

Implement bushfire prevention measures, such as controlled burns and vegetation management, to reduce the risk of bushfires.

Est. cost: Medium

Develop a heatwave response plan

Near-term

Develop a heatwave response plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Promote water conservation

Long-term

Promote water conservation measures to reduce water demand during periods of drought.

Est. cost: Low

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 3 April 2026

Explore Manly Risk Reports

Frequently Asked Questions

Is Manly at risk of flooding?

Based on available data, Manly 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 Manly?

Insurance costs for flood cover in Manly 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 Manly?

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

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

Enter your address below for an instant climate risk assessment for Manly, Australian Capital Territory, 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