๐Ÿ“ฎ Macmasters Beach postcode: 2251

Flood Risk in Macmasters Beach, NSW: 2026 Assessment

Macmasters Beach, New South Walesยท Central Coastยท 2251
Macmasters Beach faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to flash flooding and riverine flooding.Updated 7 May 2026

Flood Risk Score

6.5/10

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

Key Facts

Flood Risk
Macmasters Beach faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to flash flooding and riverine flooding.
Trend
increasing
Suburb
Macmasters Beach, NSW
Overall Risk
Medium
Postcode
2251
Highest high-risk exposure
10.1% of land (surface flood)

Flood Risk Analysis

Macmasters Beach, 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 events have impacted properties near the creek.

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

Macmasters Beach sits within ClimateNest's suburb-level hazard model for flood risk. 5.8% of the suburb's land area is mapped in high-risk flood zones and 87.7% 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 Macmasters Beach.

Macmasters Beach (postcode 2251) 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 surface flood (10.1% of land in high-risk zones), bushfire (8.7% of land in high-risk zones), riverine flood (5.8% of land in high-risk zones). Exposure is not uniform across Macmasters Beach 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

Nearest WaterwayMacmasters Beach Creek
Elevation Range0-30 meters
Flood Zone ClassificationPartially within a flood zone

Historical Events

2013
Moderate

Heavy rainfall led to flash flooding in low-lying areas, impacting some residential properties.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Implement a heatwave early warning system

Immediate

Develop and implement a heatwave early warning system to alert residents to impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Protect and restore coastal ecosystems

Long-term

Protect and restore coastal ecosystems, such as mangroves and saltmarshes, to provide natural protection from coastal erosion and storm surges.

Est. cost: Medium

Bushfire hazard reduction

Near-term

Undertake regular bushfire hazard reduction activities, such as clearing vegetation and creating firebreaks, to reduce the risk of bushfires.

Est. cost: Low

Community education programs

Near-term

Develop and implement community education programs to raise awareness of climate risks and promote preparedness.

Est. cost: Low

Council & Emergency Services

Central Coast Council
Emergency Services

Data last updated: 7 May 2026

Explore Macmasters Beach Risk Reports

Frequently Asked Questions

Is Macmasters Beach at risk of flooding?

Based on available data, Macmasters Beach 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 Macmasters Beach?

Insurance costs for flood cover in Macmasters Beach 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 Macmasters Beach?

Yes, flood risk can affect property values in Macmasters Beach. 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 Macmasters Beach?

Elevation is a critical factor in flood risk. Properties at higher elevations within Macmasters Beach 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 Macmasters Beach is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 10.1% of Macmasters Beach in high-risk zones for surface flood, with a further 63.6% 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 Macmasters Beach Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Macmasters Beach, New South Wales, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections