Flood Risk in Alyangula, NT: 2026 Assessment

Alyangula, Northern Territory· UNKNOWN
Alyangula faces a moderate risk of flooding, primarily from heavy rainfall events and potential storm surges. The flat terrain and coastal proximity contribute to this risk.Updated 8 Mar 2026

Flood Risk Score

4.0/10

Alyangula faces a moderate risk of flooding, primarily from heavy rainfall events and potential storm surges. The flat terrain and coastal proximity contribute to this risk.

Key Facts

Flood Risk
Alyangula faces a moderate risk of flooding, primarily from heavy rainfall events and potential storm surges. The flat terrain and coastal proximity contribute to this risk.
Trend
increasing
Suburb
Alyangula, NT
Overall Risk
Medium
Postcode
0885
Region
Northern Territory
Median property value
$375,000
Dominant hazard
extreme heat (9/10)
Highest high-risk exposure
16.7% of land (tropical cyclone)

Flood Risk Analysis

Alyangula, located in Northern Territory, 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 Northern Territory.

Low-lying coastal areas are most vulnerable to flooding.

Alyangula faces a moderate risk of flooding, primarily from heavy rainfall events and potential storm surges. The flat terrain and coastal proximity contribute to 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.

Alyangula sits within ClimateNest's suburb-level hazard model for flood risk. 10.4% of the suburb's land area is mapped in high-risk flood zones and 84.2% 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 Alyangula.

On ClimateNest's 0–10 suburb hazard index, Alyangula scores 6 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Alyangula can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Alyangula located in Northern Territory (postcode 0885), is a Northern Territory suburb tracked by ClimateNest. The suburb's median property value is $375,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Alyangula.

Across the six hazard axes ClimateNest models, the dominant climate risk in Alyangula is extreme heat (score 9/10), with elevated exposure. Insurance signals for the suburb point to premiums rising sharply (+90% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Alyangula, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Alyangula are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayGulf of Carpentaria
Elevation Range0-10 meters
Flood Zone ClassificationCoastal Flood Zone

Historical Events

2018
Minor

Heavy rainfall caused localized flooding in low-lying areas.

Adaptation & Mitigation Actions

Coastal Protection Measures

Immediate

Invest in seawalls, beach nourishment, and other coastal protection measures to reduce the impact of sea level rise and storm surges.

Est. cost: High

Improved Building Standards

Near-term

Implement stricter building codes to ensure new and existing buildings are resilient to flooding, heat, and strong winds.

Est. cost: Medium

Heat Action Plan

Immediate

Develop and implement a heat action plan to protect vulnerable populations during extreme heat events, including cooling centers and public awareness campaigns.

Est. cost: Low

Ecosystem Restoration

Long-term

Restore and protect coastal ecosystems, such as mangroves and saltmarshes, to provide natural buffers against coastal hazards.

Est. cost: Medium

Council & Emergency Services

East Arnhem Regional Council
Emergency Services

Data last updated: 8 March 2026

Explore Alyangula Risk Reports

Frequently Asked Questions

Is Alyangula at risk of flooding?

Based on available data, Alyangula 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 Alyangula?

Insurance costs for flood cover in Alyangula 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 Alyangula?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Alyangula 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 are the main climate risks in Alyangula?

ClimateNest's suburb model rates Alyangula's dominant climate risk as extreme heat at 9/10 on a 0–10 index, followed by damaging wind (8/10) and severe storm (8/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Alyangula.

What share of Alyangula is exposed to high tropical cyclone risk?

ClimateNest's hazard overlay maps 16.7% of Alyangula in high-risk zones for tropical cyclone, with a further 60.9% 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 Alyangula Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Alyangula, Northern Territory, covering flood, bushfire, sea level rise and more.

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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