Flood Risk in Tiwi, NT: 2026 Assessment
Is Tiwi Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Tiwi, Northern Territory, covering flood, bushfire, sea level rise and more.
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*Industry sources: ICA, APRA, RBA
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Flood Risk Score
Not assessedTiwi faces a moderate risk of flooding, primarily due to its low-lying coastal location and proximity to waterways. Intense rainfall events can lead to stormwater runoff and riverine flooding.
Key Facts
- Flood Risk
- Tiwi faces a moderate risk of flooding, primarily due to its low-lying coastal location and proximity to waterways. Intense rainfall events can lead to stormwater runoff and riverine flooding.
- Trend
- increasing
- Suburb
- Tiwi, NT
- Overall Risk
- Medium
- Postcode
- 0810
Flood Risk Analysis
Tiwi, located in Northern Territory, 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 Northern Territory.
Tiwi's proximity to the Arafura Sea and low elevation make it susceptible to coastal flooding during storm surges and king tides.
Tiwi faces a moderate risk of flooding, primarily due to its low-lying coastal location and proximity to waterways. Intense rainfall events can lead to stormwater runoff and riverine flooding.
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 Tiwi. 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 monsoon rains caused flash flooding in parts of Tiwi, leading to road closures and some property damage.
Heavy rainfall caused localized flooding in Tiwi, disrupting traffic and damaging some properties.
Adaptation & Mitigation Actions
Upgrade stormwater drainage infrastructure
Near-termImprove the capacity of stormwater drainage systems to handle increased rainfall intensity and reduce the risk of localized flooding.
Est. cost: Medium
Implement a heatwave early warning system
ImmediateDevelop and implement a system to alert residents of impending heatwaves and provide guidance on how to stay safe.
Est. cost: Low
Protect and restore coastal ecosystems
Long-termConserve and rehabilitate mangrove forests and other coastal ecosystems to provide natural protection against erosion and storm surge.
Est. cost: Medium
Raise awareness about climate risks
Near-termConduct community education campaigns to inform residents about the risks of climate change and how to prepare for extreme weather events.
Est. cost: Low
Council & Emergency Services
Explore Tiwi Risk Reports
Frequently Asked Questions
Is Tiwi at risk of flooding?
Based on available data, Tiwi 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 Tiwi?
Insurance costs for flood cover in Tiwi 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 Tiwi?
Yes, flood risk can affect property values in Tiwi. 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 Tiwi?
Elevation is a critical factor in flood risk. Properties at higher elevations within Tiwi 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 Tiwi Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Tiwi, Northern Territory, 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