Flood Risk in North Fremantle, WA: 2026 Assessment
Flood Risk Score
6.5/10North Fremantle faces a moderate risk of flooding due to its proximity to the Swan River and coastal areas. Sea level rise and increased rainfall intensity could exacerbate this risk.
Key Facts
- Flood Risk
- North Fremantle faces a moderate risk of flooding due to its proximity to the Swan River and coastal areas. Sea level rise and increased rainfall intensity could exacerbate this risk.
- Trend
- increasing
- Suburb
- North Fremantle, WA
- Overall Risk
- Medium
- Postcode
- 6159
- Highest high-risk exposure
- 10.9% of land (bushfire)
Flood Risk Analysis
North Fremantle, located in Western Australia, 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 Western Australia.
Historical flood events have impacted low-lying areas near the Swan River.
North Fremantle faces a moderate risk of flooding due to its proximity to the Swan River and coastal areas. Sea level rise and increased rainfall intensity could exacerbate this 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.
North Fremantle sits within ClimateNest's suburb-level hazard model for flood risk. 7.4% of the suburb's land area is mapped in high-risk flood zones and 80.6% 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 North Fremantle.
North Fremantle (postcode 6159) 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 (10.9% of land in high-risk zones), surface flood (7.5% of land in high-risk zones), riverine flood (7.4% of land in high-risk zones). Exposure is not uniform across North Fremantle 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
Historical Events
Minor flooding occurred after a period of heavy rainfall.
Heavy rainfall caused flooding in low-lying areas near the Swan River.
Adaptation & Mitigation Actions
Improve drainage infrastructure
Near-termUpgrade drainage systems to handle increased rainfall and reduce flood risk.
Est. cost: Medium
Implement coastal protection measures
Near-termConstruct seawalls and other coastal defenses to protect against erosion and sea level rise.
Est. cost: High
Develop a heatwave management plan
ImmediateEstablish cooling centers and provide support for vulnerable populations during heatwaves.
Est. cost: Low
Promote water conservation
Long-termEncourage residents to reduce water consumption to mitigate the impacts of drought.
Est. cost: Low
Raise awareness of climate risks
ImmediateEducate residents about the impacts of climate change and how to prepare for extreme weather events.
Est. cost: Low
Council & Emergency Services
Explore North Fremantle Risk Reports
View other climate risk assessments for North Fremantle:
Frequently Asked Questions
Is North Fremantle at risk of flooding?
Based on available data, North Fremantle 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 North Fremantle?
Insurance costs for flood cover in North 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 North Fremantle?
Yes, flood risk can affect property values in North 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 North Fremantle?
Elevation is a critical factor in flood risk. Properties at higher elevations within North 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.
What share of North Fremantle is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 10.9% of North Fremantle in high-risk zones for bushfire, with a further 65.8% 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 North Fremantle Safe from Climate Risk?
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