๐Ÿ“ฎ Hope Island postcode: 4212

Flood Risk in Hope Island, QLD: 2026 Assessment

Hope Island, Queenslandยท Gold Coastยท 4212
Hope Island is susceptible to flooding due to its low-lying coastal location and proximity to waterways. Climate change is expected to increase rainfall intensity and sea levels, exacerbating flood risk.Updated 22 Mar 2026

Flood Risk Score

6.0/10

Hope Island is susceptible to flooding due to its low-lying coastal location and proximity to waterways. Climate change is expected to increase rainfall intensity and sea levels, exacerbating flood risk.

Key Facts

Flood Risk
Hope Island is susceptible to flooding due to its low-lying coastal location and proximity to waterways. Climate change is expected to increase rainfall intensity and sea levels, exacerbating flood risk.
Trend
increasing
Suburb
Hope Island, QLD
Overall Risk
Medium
Postcode
4212
Highest high-risk exposure
10.3% of land (bushfire)

Flood Risk Analysis

Hope Island, located in Queensland, 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 Queensland.

Hope Island is located on a series of artificial islands and canals, increasing its susceptibility to tidal and storm surge flooding.

Hope Island is susceptible to flooding due to its low-lying coastal location and proximity to waterways. Climate change is expected to increase rainfall intensity and sea levels, 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.

Hope Island sits within ClimateNest's suburb-level hazard model for flood risk. 9.5% of the suburb's land area is mapped in high-risk flood zones and 62.9% 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 Hope Island.

Hope Island (postcode 4212) 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 (10.3% of land in high-risk zones), riverine flood (9.5% of land in high-risk zones), tropical cyclone (7.9% of land in high-risk zones). Exposure is not uniform across Hope Island 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 WaterwayCoomera River
Elevation Range0-5 meters
Flood Zone ClassificationCoastal and Riverine Floodplain

Historical Events

2022
Major

Widespread flooding across South East Queensland impacted Hope Island, with significant inundation of low-lying areas.

2013
Moderate

Severe flooding impacted the Gold Coast, including Hope Island, causing property damage and disruption.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood barriers and drainage improvements to protect properties from inundation.

Est. cost: High

Enhance Heatwave Preparedness

Immediate

Establish cooling centers and provide public education on heatwave safety.

Est. cost: Medium

Protect Coastal Areas

Long-term

Implement coastal erosion management strategies, such as beach nourishment and seawalls.

Est. cost: Very High

Strengthen Building Codes

Near-term

Update building codes to require climate-resilient design and construction practices.

Est. cost: Medium

Council & Emergency Services

City of Gold Coast
Emergency Services

Data last updated: 22 March 2026

Explore Hope Island Risk Reports

Frequently Asked Questions

Is Hope Island at risk of flooding?

Based on available data, Hope Island 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 Hope Island?

Insurance costs for flood cover in Hope Island 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 Hope Island?

Yes, flood risk can affect property values in Hope Island. 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 Hope Island?

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

ClimateNest's hazard overlay maps 10.3% of Hope Island in high-risk zones for bushfire, with a further 61.4% 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 Hope Island Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Hope Island, Queensland, 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