📮 Sunderland Bay postcode: 3920

Storm Risk in Sunderland Bay, VIC: 2026 Assessment

Sunderland Bay, Victoria· Bass Coast Shire Council· 3920
Moderate storm risk — severe thunderstorms with hail and damaging windsUpdated 28 June 2026

Storm Risk Score

3.2/10

Moderate storm risk — severe thunderstorms with hail and damaging winds

Key Facts

Storm Risk
Moderate storm risk — severe thunderstorms with hail and damaging winds
Trend
stable
Suburb
Sunderland Bay, VIC
Overall Risk
Medium
Postcode
3922
Highest high-risk exposure
10.7% of land (bushfire)

Storm Risk Analysis

Sunderland Bay, Victoria, has a moderate storm risk profile. This includes exposure to severe thunderstorms, hail, damaging winds, and — in tropical regions — cyclone impacts. The applicable wind region classification under AS/NZS 1170.2 influences building design standards for Sunderland Bay.

Severe thunderstorms affecting Sunderland Bay can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for Victoria, and historical storm data helps characterise the frequency and intensity of events in the region.

CSIRO research indicates that the intensity of severe convective storms — including those producing hail and damaging winds — may increase in a warming climate. For Sunderland Bay property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

ClimateNest provides address-level storm risk reports for Sunderland Bay including wind zone classification, hail risk probability, and property-specific mitigation recommendations based on your building characteristics.

Sunderland Bay sits within ClimateNest's suburb-level hazard model for severe storm risk. 0% of the suburb's land area is mapped in high-risk severe storm zones and 88.1% 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 Sunderland Bay.

Sunderland Bay (postcode 3922) 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 (10.7% of land in high-risk zones), surface flood (10.3% of land in high-risk zones), riverine flood (7.8% of land in high-risk zones). Exposure is not uniform across Sunderland Bay — 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

Wind/Storm RegionHigh
Storm Risk LevelHigh
Distance to Coast0.1 km

Historical Events

2011
Moderate

A major storm system impacted Victoria's coast, causing localized flooding and damage to coastal infrastructure in the Bass Coast region.

Adaptation & Mitigation Actions

Coastal Dune Restoration and Protection

Near-term

Implement programs to restore and enhance coastal dunes with native vegetation to act as natural buffers against erosion and storm surges.

Est. cost: $50,000 - $200,000

Upgrade Stormwater Drainage Systems

Near-term

Invest in upgrading and maintaining local stormwater infrastructure to improve capacity for handling intense rainfall events and reduce localized flooding.

Est. cost: $100,000 - $500,000 per upgrade

Develop and Promote Heatwave Action Plans

Immediate

Establish clear community heatwave action plans, including identifying cooling centers and providing public health advice, especially for vulnerable residents.

Est. cost: $10,000 - $50,000

Implement Bushfire-Resistant Landscaping and Building Codes

Long-term

Encourage or mandate the use of fire-resistant native plants in landscaping and enforce stricter building codes for properties in bushfire-prone areas.

Est. cost: Variable (building costs)

Community Education on Climate Risks

Immediate

Conduct regular workshops and information sessions to educate residents about local climate risks, adaptation strategies, and emergency preparedness.

Est. cost: $5,000 - $20,000 per campaign

Council & Emergency Services

Bass Coast Shire Council
Emergency Services

Data last updated: 28 June 2026

Explore Sunderland Bay Risk Reports

Frequently Asked Questions

Is Sunderland Bay prone to hailstorms?

Hail risk in Sunderland Bay depends on the frequency of severe thunderstorm activity in the Victoria region. BOM tracks severe storm events including hail. Property-specific risk depends on roof design, building orientation, and local storm patterns.

What wind rating applies to buildings in Sunderland Bay?

Under AS/NZS 1170.2, properties in Sunderland Bay are assigned a wind region classification. This rating determines structural design requirements for new buildings. Check with ClimateNest or a structural engineer for your property's classification.

Does storm risk affect insurance premiums in Sunderland Bay?

Yes, storm damage — including wind, hail, and rain ingress — is one of the most common insurance claims in Australia. Properties in higher wind zones or with greater hail exposure may face higher premiums or specific policy conditions.

What storm mitigation measures should Sunderland Bay property owners consider?

Storm mitigation includes impact-resistant roofing, cyclone-rated fixings where required, window and door shutters, regular roof and gutter maintenance, securing outdoor items, and ensuring compliance with current wind load standards under the National Construction Code.

What share of Sunderland Bay is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10.7% of Sunderland Bay in high-risk zones for bushfire, with a further 72.6% 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 Sunderland Bay Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Sunderland Bay, Victoria, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections