Flood Risk in Wattamolla, NSW: 2026 Assessment

Wattamolla, New South Wales· UNKNOWN
Wattamolla faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.Updated 25 May 2026

Flood Risk Score

6.0/10

Wattamolla faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.

Key Facts

Flood Risk
Wattamolla faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.
Trend
increasing
Suburb
Wattamolla, NSW
Overall Risk
Medium
Postcode
2535
Highest high-risk exposure
13.1% of land (bushfire)

Flood Risk Analysis

Wattamolla, located in New South Wales, 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 New South Wales.

Historical flood data indicates potential for inundation in low-lying areas.

Wattamolla faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.

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.

Wattamolla sits within ClimateNest's suburb-level hazard model for flood risk. 7.3% of the suburb's land area is mapped in high-risk flood zones and 82.1% 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 Wattamolla.

Wattamolla (postcode 2535) 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 (13.1% of land in high-risk zones), surface flood (9% of land in high-risk zones), riverine flood (7.3% of land in high-risk zones). Exposure is not uniform across Wattamolla — 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 WaterwayWattamolla Creek
Elevation Range0-50 meters
Flood Zone ClassificationPartially within flood zone

Historical Events

2020
Moderate

Heavy rainfall caused flash flooding in low-lying areas of Wattamolla.

Adaptation & Mitigation Actions

Develop a Bushfire Survival Plan

Immediate

Create a detailed plan for protecting your family and property in the event of a bushfire. Clear vegetation around your home, have a water supply ready, and know your evacuation route.

Est. cost: Low

Improve Home Insulation

Near-term

Proper insulation can help keep your home cooler in summer and warmer in winter, reducing your reliance on air conditioning and heating.

Est. cost: Medium

Install Rainwater Tanks

Near-term

Rainwater tanks can provide a source of water for gardening and other non-potable uses, reducing your reliance on mains water and helping to conserve water during droughts.

Est. cost: Medium

Support Coastal Protection Measures

Long-term

Advocate for and support local government initiatives to protect coastal areas from erosion and inundation, such as seawalls and beach nourishment projects.

Est. cost: High

Participate in Community Emergency Planning

Immediate

Engage with local emergency services and community groups to develop and implement emergency plans for bushfires, floods, and other disasters.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 25 May 2026

Explore Wattamolla Risk Reports

Frequently Asked Questions

Is Wattamolla at risk of flooding?

Based on available data, Wattamolla 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 Wattamolla?

Insurance costs for flood cover in Wattamolla 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 Wattamolla?

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

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

ClimateNest's hazard overlay maps 13.1% of Wattamolla in high-risk zones for bushfire, with a further 79% 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 Wattamolla Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Wattamolla, New South Wales, 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