๐Ÿ“ฎ Phegans Bay postcode: 2256

Flood Risk in Phegans Bay, NSW: 2026 Assessment

Phegans Bay, New South Walesยท Central Coastยท 2256
Phegans Bay is susceptible to flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity, causing inundation of properties.Updated 8 May 2026

Flood Risk Score

6.5/10

Phegans Bay is susceptible to flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity, causing inundation of properties.

Key Facts

Flood Risk
Phegans Bay is susceptible to flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity, causing inundation of properties.
Trend
increasing
Suburb
Phegans Bay, NSW
Overall Risk
Medium
Postcode
2256
Highest high-risk exposure
12.8% of land (bushfire)

Flood Risk Analysis

Phegans Bay, 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 that properties close to the bay have experienced inundation during heavy rainfall events.

Phegans Bay is susceptible to flooding due to its low-lying areas and proximity to waterways. Intense rainfall events can lead to stormwater runoff exceeding drainage capacity, causing inundation of properties.

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.

Phegans Bay sits within ClimateNest's suburb-level hazard model for flood risk. 3.7% of the suburb's land area is mapped in high-risk flood zones and 68.7% 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 Phegans Bay.

Phegans Bay (postcode 2256) 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 (12.8% of land in high-risk zones), surface flood (7.1% of land in high-risk zones), extreme wind (4.9% of land in high-risk zones). Exposure is not uniform across Phegans Bay 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 WaterwayBrisbane Water
Elevation Range0-20 meters
Flood Zone ClassificationAreas near Brisbane Water are prone to flooding.

Historical Events

2007
Moderate

Heavy rainfall caused flooding in low-lying areas of Phegans Bay, impacting several properties.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

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

Est. cost: Medium

Implement coastal protection measures

Long-term

Construct seawalls and other coastal protection structures to mitigate the impacts of sea level rise and coastal erosion.

Est. cost: High

Develop a heatwave response plan

Immediate

Create a community-based heatwave response plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Enhance bushfire preparedness

Near-term

Implement bushfire mitigation measures, such as vegetation clearing and community education programs, to reduce the risk of bushfires.

Est. cost: Medium

Council & Emergency Services

Central Coast Council
Emergency Services

Data last updated: 8 May 2026

Explore Phegans Bay Risk Reports

Frequently Asked Questions

Is Phegans Bay at risk of flooding?

Based on available data, Phegans Bay 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 Phegans Bay?

Insurance costs for flood cover in Phegans Bay 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 Phegans Bay?

Yes, flood risk can affect property values in Phegans Bay. 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 Phegans Bay?

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

ClimateNest's hazard overlay maps 12.8% of Phegans Bay in high-risk zones for bushfire, with a further 81.9% 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 Phegans Bay Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Phegans Bay, 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