Heat Risk in Surfside, NSW: 2026 Assessment
Heat Risk Score
7.0/10Surfside is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Key Facts
- Heat Risk
- Surfside is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
- Trend
- increasing
- Suburb
- Surfside, NSW
- Overall Risk
- Medium
- Postcode
- 2536
- Highest high-risk exposure
- 11.3% of land (riverine flood)
Heat Risk Analysis
Surfside in New South Wales faces elevated extreme heat risk. The Bureau of Meteorology (BOM) reports that Australia's average temperature has increased by approximately 1.5 °C since 1910, with the frequency of extreme heat days rising across most regions.
The urban heat island (UHI) effect can make built-up areas of Surfside warmer than surrounding rural areas, particularly on summer nights. Dark roof materials, limited tree canopy cover, and heat-absorbing surfaces contribute to localised heat stress that varies by property.
The number of days exceeding 35°C is projected to increase in the future.
Get an address-level heat risk assessment from ClimateNest for Surfside including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Surfside (postcode 2536) 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 riverine flood (11.3% of land in high-risk zones), bushfire (7.8% of land in high-risk zones), surface flood (7.2% of land in high-risk zones). Exposure is not uniform across Surfside — 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
Prolonged heatwave conditions impacted the region, leading to health concerns.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade drainage systems to handle increased rainfall intensity and reduce flood risk.
Est. cost: High
Bushfire Mitigation Measures
Near-termImplement bushfire mitigation measures, such as vegetation management and fire breaks, to protect properties.
Est. cost: Medium
Heatwave Preparedness Plan
ImmediateDevelop a heatwave preparedness plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Coastal Protection Measures
Long-termImplement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and coastal erosion.
Est. cost: Very High
Council & Emergency Services
Explore Surfside Risk Reports
View other climate risk assessments for Surfside:
Frequently Asked Questions
How hot does Surfside get in summer?
Surfside in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Surfside. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Surfside?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for New South Wales. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Surfside properties?
Higher temperatures increase cooling demand, which raises electricity costs. ClimateNest provides energy cost projections based on your property's specific exposure to extreme heat days in Surfside and the performance of your building envelope.
What heat mitigation measures work best in Surfside?
Effective heat mitigation includes light-coloured roofing (cool roofs), ceiling and wall insulation, double-glazed windows, external shading, cross-ventilation design, and increasing tree canopy around the property. These measures reduce indoor temperatures and cooling costs.
What share of Surfside is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 11.3% of Surfside in high-risk zones for riverine flood, with a further 61.8% 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 Surfside Safe from Climate Risk?
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