Flood Risk in March, NSW: 2026 Assessment

March, New South Wales· UNKNOWN
March faces a moderate risk of flooding due to its proximity to waterways and historical rainfall patterns. Climate change is expected to increase the frequency and intensity of heavy rainfall events, potentially exacerbating flood risk.Updated 2 May 2026

Flood Risk Score

6.0/10

March faces a moderate risk of flooding due to its proximity to waterways and historical rainfall patterns. Climate change is expected to increase the frequency and intensity of heavy rainfall events, potentially exacerbating flood risk.

Key Facts

Flood Risk
March faces a moderate risk of flooding due to its proximity to waterways and historical rainfall patterns. Climate change is expected to increase the frequency and intensity of heavy rainfall events, potentially exacerbating flood risk.
Trend
increasing
Suburb
March, NSW
Overall Risk
Medium
Postcode
2800
Highest high-risk exposure
8.1% of land (riverine flood)

Flood Risk Analysis

March, 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 localized flooding during periods of heavy rainfall.

March faces a moderate risk of flooding due to its proximity to waterways and historical rainfall patterns. Climate change is expected to increase the frequency and intensity of heavy rainfall events, potentially exacerbating flood risk.

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.

March sits within ClimateNest's suburb-level hazard model for flood risk. 8.1% of the suburb's land area is mapped in high-risk flood zones and 78.8% 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 March.

March (postcode 2800) 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 riverine flood (8.1% of land in high-risk zones), bushfire (7% of land in high-risk zones), surface flood (6.2% of land in high-risk zones). Exposure is not uniform across March — 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 WaterwayLocal Creeks
Elevation Range300-350m
Flood Zone ClassificationLow to Moderate

Historical Events

2020
Minor

Minor flooding occurred due to heavy rainfall.

2010
Moderate

Heavy rainfall caused localized flooding in low-lying areas.

Adaptation & Mitigation Actions

Implement a heatwave management plan

Immediate

Develop and implement a heatwave management plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Upgrade stormwater infrastructure

Near-term

Upgrade stormwater infrastructure to improve drainage and reduce the risk of flooding.

Est. cost: Medium

Develop a bushfire management plan

Near-term

Develop and implement a bushfire management plan to reduce the risk of bushfires and protect property.

Est. cost: Medium

Promote water conservation

Long-term

Promote water conservation measures to reduce water demand and improve water security.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 2 May 2026

Explore March Risk Reports

Frequently Asked Questions

Is March at risk of flooding?

Based on available data, March 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 March?

Insurance costs for flood cover in March 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 March?

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

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

ClimateNest's hazard overlay maps 8.1% of March in high-risk zones for riverine flood, with a further 78.8% 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 March Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for March, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections