What the mapping shows for Thursday Island
Part of Thursday Island is mapped as subject to coastal inundation.
52.3% of Thursday Island is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
Queensland Coastal Management District, State of Queensland (Department of Environment, Tourism, Science and Innovation), Creative Commons Attribution 4.0, retrieved 2026-10-23
This is a share of the suburb's land area from a published state dataset, not an assessment of any property. A ClimateNest report scores the individual address across eight hazards, with insurance and value projections to 2050.
Check an address in Thursday Island →Flood Risk in Thursday Island, QLD: 2026 Assessment
52.3% of Thursday Island is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
That figure covers the suburb. Check whether your address is inside it - address-level, sourced, A$49.
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Flood Risk Score
Not assessedThursday Island faces a high risk of flooding due to its low-lying coastal location and susceptibility to heavy rainfall events. Sea level rise and storm surges exacerbate this risk.
Key Facts
- Flood Risk
- Thursday Island faces a high risk of flooding due to its low-lying coastal location and susceptibility to heavy rainfall events. Sea level rise and storm surges exacerbate this risk.
- Trend
- increasing
- Suburb
- Thursday Island, QLD
- Overall Risk
- High
- Postcode
- 4875
Flood Risk Analysis
Thursday Island, located in Queensland, has a location-specific 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.
Thursday Island is surrounded by the Torres Strait, making it highly exposed to tidal influences and storm surges. Low elevation increases flood risk.
Thursday Island faces a high risk of flooding due to its low-lying coastal location and susceptibility to heavy rainfall events. Sea level rise and storm surges 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.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Thursday Island. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
Heavy rainfall caused localized flooding on Thursday Island, impacting some residential areas.
Adaptation & Mitigation Actions
Coastal Protection Measures
ImmediateImplement coastal protection measures such as seawalls, revetments, and beach nourishment to reduce erosion and inundation.
Est. cost: High
Improved Drainage Infrastructure
Near-termUpgrade drainage infrastructure to manage increased rainfall and reduce the risk of flooding.
Est. cost: Medium
Heatwave Management Plan
ImmediateDevelop and implement a heatwave management plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Community Awareness Programs
Long-termConduct community awareness programs to educate residents about climate change risks and adaptation strategies.
Est. cost: Low
Council & Emergency Services
Explore Thursday Island Risk Reports
View other climate risk assessments for Thursday Island:
Frequently Asked Questions
Is Thursday Island at risk of flooding?
Based on available data, Thursday Island has a location-specific 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 Thursday Island?
Insurance costs for flood cover in Thursday 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 Thursday Island?
Yes, flood risk can affect property values in Thursday 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 Thursday Island?
Elevation is a critical factor in flood risk. Properties at higher elevations within Thursday 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.
Is Thursday Island Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Thursday Island, Queensland, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections