📮 Culburra Beach postcode: 2540

Flood Risk in Culburra Beach, NSW: 2026 Assessment

Culburra Beach, New South Wales· Shoalhaven· 2540
Culburra Beach faces a moderate risk of flooding due to its low-lying coastal location and proximity to the Crookhaven River and Shoalhaven River. Intense rainfall events can lead to riverine and flash flooding.Updated 25 May 2026

Flood Risk Score

6.5/10

Culburra Beach faces a moderate risk of flooding due to its low-lying coastal location and proximity to the Crookhaven River and Shoalhaven River. Intense rainfall events can lead to riverine and flash flooding.

Key Facts

Flood Risk
Culburra Beach faces a moderate risk of flooding due to its low-lying coastal location and proximity to the Crookhaven River and Shoalhaven River. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Culburra Beach, NSW
Overall Risk
Medium
Postcode
2540
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
11.2% of land (riverine flood)

Flood Risk Analysis

Culburra 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.

Several properties in Culburra Beach are located within identified flood zones. Historical flood events have caused significant damage to homes and infrastructure.

Culburra Beach faces a moderate risk of flooding due to its low-lying coastal location and proximity to the Crookhaven River and Shoalhaven River. Intense rainfall events can lead to riverine and 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.

Culburra Beach sits within ClimateNest's suburb-level hazard model for flood risk. 11.2% of the suburb's land area is mapped in high-risk flood zones and 68.5% 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 Culburra Beach.

On ClimateNest's 0–10 suburb hazard index, Culburra Beach scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Culburra Beach can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Culburra Beach located in Regional NSW (postcode 2540), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Culburra Beach.

Across the six hazard axes ClimateNest models, the dominant climate risk in Culburra Beach is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Culburra Beach, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Culburra Beach are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayCrookhaven River, Shoalhaven River
Elevation Range0-10 meters
Flood Zone ClassificationCoastal and Riverine Floodplain

Historical Events

2017
Moderate

Heavy rainfall caused flash flooding in Culburra Beach, inundating roads and homes.

2011
Moderate

Major flooding occurred in the Shoalhaven River, impacting low-lying areas of Culburra Beach.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Near-term

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

Est. cost: Medium

Implement Coastal Protection Measures

Near-term

Construct seawalls and other coastal defenses to protect against erosion and inundation.

Est. cost: High

Develop a Heatwave Management Plan

Immediate

Establish cooling centers and provide support to vulnerable residents during heatwaves.

Est. cost: Low

Enhance Bushfire Preparedness

Near-term

Conduct community education programs and assist residents with property maintenance to reduce bushfire risk.

Est. cost: Medium

Relocate vulnerable infrastructure

Long-term

Move critical infrastructure like power stations and hospitals away from flood zones and coastal erosion hotspots.

Est. cost: Very High

Council & Emergency Services

Shoalhaven City Council
Emergency Services

Data last updated: 25 May 2026

Explore Culburra Beach Risk Reports

Frequently Asked Questions

Is Culburra Beach at risk of flooding?

Based on available data, Culburra Beach 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 Culburra Beach?

Insurance costs for flood cover in Culburra 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 Culburra Beach?

Yes, flood risk can affect property values in Culburra 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 Culburra Beach?

Elevation is a critical factor in flood risk. Properties at higher elevations within Culburra 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 are the main climate risks in Culburra Beach?

ClimateNest's suburb model rates Culburra Beach's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Culburra Beach.

What share of Culburra Beach is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 11.2% of Culburra Beach in high-risk zones for riverine flood, with a further 68.5% 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 Culburra Beach Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Culburra Beach, 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