๐Ÿ“ฎ Streaky Bay postcode: 5680

Flood Risk in Streaky Bay, SA: 2026 Assessment

Streaky Bay, South Australiaยท Streaky Bayยท 5680
Streaky Bay faces a moderate risk of flooding, primarily from heavy rainfall events and potential coastal inundation. The risk is influenced by its coastal location and relatively low-lying areas.Updated 10 Mar 2026

Flood Risk Score

4.0/10

Streaky Bay faces a moderate risk of flooding, primarily from heavy rainfall events and potential coastal inundation. The risk is influenced by its coastal location and relatively low-lying areas.

Key Facts

Flood Risk
Streaky Bay faces a moderate risk of flooding, primarily from heavy rainfall events and potential coastal inundation. The risk is influenced by its coastal location and relatively low-lying areas.
Trend
increasing
Suburb
Streaky Bay, SA
Overall Risk
Medium
Postcode
5680
Highest high-risk exposure
17.1% of land (bushfire)

Flood Risk Analysis

Streaky Bay, located in South Australia, 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 South Australia.

Low-lying areas near the coast are most vulnerable to flooding.

Streaky Bay faces a moderate risk of flooding, primarily from heavy rainfall events and potential coastal inundation. The risk is influenced by its coastal location and relatively low-lying areas.

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.

Streaky Bay sits within ClimateNest's suburb-level hazard model for flood risk. 4.8% of the suburb's land area is mapped in high-risk flood zones and 70% 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 Streaky Bay.

Streaky Bay (postcode 5680) 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 (17.1% of land in high-risk zones), surface flood (8.8% of land in high-risk zones), extreme wind (6% of land in high-risk zones). Exposure is not uniform across Streaky Bay 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 WaterwayStreaky Bay
Elevation Range0-20m
Flood Zone ClassificationCoastal Inundation Zone

Historical Events

2021
Minor

Heavy rainfall led to localized flooding in low-lying areas of Streaky Bay.

Adaptation & Mitigation Actions

Coastal Protection Measures

Near-term

Implement coastal protection measures such as seawalls and dune restoration to mitigate erosion and flooding.

Est. cost: High

Heatwave Preparedness Plan

Immediate

Develop and implement a heatwave preparedness plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Upgrade Infrastructure

Long-term

Upgrade critical infrastructure to withstand the impacts of climate change, including roads, drainage systems, and power grids.

Est. cost: Very High

Community Awareness Programs

Near-term

Conduct community awareness programs to educate residents about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

Streaky Bay District Council
Emergency Services

Data last updated: 10 March 2026

Explore Streaky Bay Risk Reports

Frequently Asked Questions

Is Streaky Bay at risk of flooding?

Based on available data, Streaky Bay 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 Streaky Bay?

Insurance costs for flood cover in Streaky Bay 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 Streaky Bay?

Yes, flood risk can affect property values in Streaky Bay. 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 Streaky Bay?

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

ClimateNest's hazard overlay maps 17.1% of Streaky Bay in high-risk zones for bushfire, with a further 55.2% 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 Streaky Bay Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Streaky Bay, South Australia, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections