๐Ÿ“ฎ Tweed Heads postcode: 2485

Flood Risk in Tweed Heads, NSW: 2026 Assessment

Tweed Heads, New South Walesยท Tweed Shire Councilยท 2485
Tweed Heads faces a notable risk of flooding due to its proximity to the Tweed River and low-lying areas. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.Updated 2 Apr 2026

Flood Risk Score

7.5/10

Tweed Heads faces a notable risk of flooding due to its proximity to the Tweed River and low-lying areas. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.

Key Facts

Flood Risk
Tweed Heads faces a notable risk of flooding due to its proximity to the Tweed River and low-lying areas. Increased rainfall intensity and rising sea levels are expected to exacerbate this risk.
Trend
increasing
Suburb
Tweed Heads, NSW
Overall Risk
Medium
Postcode
2485
Highest high-risk exposure
14.5% of land (bushfire)

Flood Risk Analysis

Tweed Heads, 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 Tweed Heads, highlighting the need for improved flood management strategies.

Tweed Heads faces a notable risk of flooding due to its proximity to the Tweed River and low-lying areas. Increased rainfall intensity and rising sea levels are expected to exacerbate this 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.

Tweed Heads sits within ClimateNest's suburb-level hazard model for flood risk. 7.6% of the suburb's land area is mapped in high-risk flood zones and 86.7% 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 Tweed Heads.

Tweed Heads (postcode 2485) 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 (14.5% of land in high-risk zones), surface flood (8.8% of land in high-risk zones), riverine flood (7.6% of land in high-risk zones). Exposure is not uniform across Tweed Heads 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 WaterwayTweed River
Elevation Range0-10 meters
Flood Zone ClassificationAreas adjacent to the Tweed River are designated as flood zones.

Historical Events

2022
Moderate

Major flooding occurred in the Tweed River catchment, impacting Tweed Heads and surrounding areas. Many homes and businesses were inundated.

2017
Minor

Minor flooding occurred in low-lying areas of Tweed Heads due to heavy rainfall.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Immediate

Improve drainage systems to manage increased rainfall and reduce flood risk. This includes upgrading stormwater drains, culverts, and detention basins.

Est. cost: High

Implement Coastal Protection Measures

Near-term

Construct seawalls, groynes, and other coastal protection structures to mitigate erosion and protect coastal assets. Beach nourishment programs can also help to maintain sand levels.

Est. cost: Very High

Develop Heatwave Preparedness Plans

Immediate

Establish cooling centers, provide public education on heatwave safety, and implement early warning systems to protect vulnerable populations during heatwaves.

Est. cost: Medium

Strengthen Building Codes

Long-term

Update building codes to require new buildings to be more resilient to climate change impacts, such as flooding, heatwaves, and bushfires. This includes incorporating flood-resistant materials, energy-efficient designs, and fire-resistant construction techniques.

Est. cost: Medium

Raise Awareness and Educate the Community

Near-term

Conduct community workshops and public awareness campaigns to educate residents about climate change risks and adaptation measures. Provide information on how to prepare for extreme weather events and reduce their carbon footprint.

Est. cost: Low

Council & Emergency Services

Tweed Shire Council
Emergency Services

Data last updated: 2 April 2026

Explore Tweed Heads Risk Reports

Frequently Asked Questions

Is Tweed Heads at risk of flooding?

Based on available data, Tweed Heads 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 Tweed Heads?

Insurance costs for flood cover in Tweed Heads 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 Tweed Heads?

Yes, flood risk can affect property values in Tweed Heads. 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 Tweed Heads?

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

ClimateNest's hazard overlay maps 14.5% of Tweed Heads in high-risk zones for bushfire, with a further 61.7% 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 Tweed Heads Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Tweed Heads, 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