Flood Risk in Wybung, NSW: 2026 Assessment

Wybung, New South Wales· Central Coast
Wybung faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localised flooding.Updated 30 May 2026

Flood Risk Score

6.5/10

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

Key Facts

Flood Risk
Wybung faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localised flooding.
Trend
increasing
Suburb
Wybung, NSW
Overall Risk
Medium
Postcode
2259
Highest high-risk exposure
8.3% of land (bushfire)

Flood Risk Analysis

Wybung, 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 localised flooding during heavy rainfall events.

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

Wybung sits within ClimateNest's suburb-level hazard model for flood risk. 3.9% of the suburb's land area is mapped in high-risk flood zones and 72.7% 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 Wybung.

Wybung (postcode 2259) 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 (8.3% of land in high-risk zones), surface flood (5.5% of land in high-risk zones), riverine flood (3.9% of land in high-risk zones). Exposure is not uniform across Wybung — 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 WaterwayLake Munmorah
Elevation Range5-20m
Flood Zone ClassificationLow-lying areas near Lake Munmorah

Historical Events

2020
Minor

Minor flooding occurred in Wybung after a period of heavy rainfall, affecting some roads and properties.

2007
Moderate

Heavy rainfall caused localised flooding in low-lying areas of Wybung, affecting several homes and businesses.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Bushfire Mitigation Measures

Immediate

Implement bushfire mitigation measures, such as controlled burns and vegetation management, to reduce the risk of bushfires.

Est. cost: Medium

Heatwave Preparedness Plan

Near-term

Develop a heatwave preparedness plan to protect vulnerable populations during periods of extreme heat.

Est. cost: Low

Coastal Protection Measures

Long-term

Implement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and storm surges.

Est. cost: High

Community Awareness Programs

Near-term

Conduct community awareness programs to educate residents about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Central Coast Council
Emergency Services

Data last updated: 30 May 2026

Explore Wybung Risk Reports

Frequently Asked Questions

Is Wybung at risk of flooding?

Based on available data, Wybung 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 Wybung?

Insurance costs for flood cover in Wybung 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 Wybung?

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

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

ClimateNest's hazard overlay maps 8.3% of Wybung in high-risk zones for bushfire, with a further 71% 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 Wybung Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Wybung, 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