Storm Risk in Great Mackerel Beach, NSW: 2026 Assessment

Great Mackerel Beach, New South Wales· UNKNOWN
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging windsUpdated 24 May 2026

Storm Risk Score

5.5/10

Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds

Key Facts

Storm Risk
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Trend
stable
Suburb
Great Mackerel Beach, NSW
Overall Risk
High
Postcode
2108
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
22% of land (bushfire)

Storm Risk Analysis

Great Mackerel Beach, New South Wales, 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 Great Mackerel Beach.

Severe thunderstorms affecting Great Mackerel Beach can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for New South Wales, 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 Great Mackerel Beach property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

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

Great Mackerel Beach 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 84.5% 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 Great Mackerel Beach.

On ClimateNest's 0–10 suburb hazard index, Great Mackerel Beach scores 4 for severe storm risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Great Mackerel Beach can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Great Mackerel Beach located in Regional (postcode 2108), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $500,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Great Mackerel Beach.

Across the six hazard axes ClimateNest models, the dominant climate risk in Great Mackerel Beach is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% 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 Great Mackerel Beach, 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 Great Mackerel Beach are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

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

Historical Events

2017
Minor

A severe storm caused minor damage to coastal properties.

Adaptation & Mitigation Actions

Develop a community bushfire plan

Immediate

Create a detailed plan outlining evacuation routes, firebreaks, and community responsibilities during bushfire events.

Est. cost: Low

Implement coastal erosion management strategies

Near-term

Invest in seawalls, beach nourishment, and other measures to protect coastal properties from erosion.

Est. cost: High

Improve flood resilience of buildings

Near-term

Elevate homes, install flood barriers, and improve drainage systems to reduce flood damage.

Est. cost: Medium

Establish a heatwave early warning system

Immediate

Implement a system to alert residents of impending heatwaves and provide guidance on staying safe.

Est. cost: Low

Promote water conservation

Long-term

Encourage residents to conserve water through rainwater harvesting and efficient irrigation practices.

Est. cost: Low

Council & Emergency Services

Northern Beaches Council
Emergency Services

Data last updated: 24 May 2026

Explore Great Mackerel Beach Risk Reports

Frequently Asked Questions

Is Great Mackerel Beach prone to hailstorms?

Hail risk in Great Mackerel Beach depends on the frequency of severe thunderstorm activity in the New South Wales 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 Great Mackerel Beach?

Under AS/NZS 1170.2, properties in Great Mackerel Beach 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 Great Mackerel Beach?

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 Great Mackerel Beach 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 are the main climate risks in Great Mackerel Beach?

ClimateNest's suburb model rates Great Mackerel Beach's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Great Mackerel Beach.

What share of Great Mackerel Beach is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 22% of Great Mackerel Beach in high-risk zones for bushfire, with a further 67.6% 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 Great Mackerel Beach Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Great Mackerel Beach, New South Wales, 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