📮 Narraweena postcode: 2099

Storm Risk in Narraweena, NSW: 2026 Assessment

Narraweena, New South Wales· Northern Beaches· 2099
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging windsUpdated 29 May 2026

Storm Risk Score

3.9/10

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
Narraweena, NSW
Overall Risk
Medium
Postcode
2099
Highest high-risk exposure
17.7% of land (bushfire)

Storm Risk Analysis

Narraweena, 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 Narraweena.

Severe thunderstorms affecting Narraweena 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 Narraweena property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

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

Narraweena 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 80.4% 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 Narraweena.

Narraweena (postcode 2099) 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 (17.7% of land in high-risk zones), surface flood (7.3% of land in high-risk zones), riverine flood (6.3% of land in high-risk zones). Exposure is not uniform across Narraweena — 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 RegionLow-lying areas near Narrabeen Lagoon are vulnerable to sea level rise.
Storm Risk LevelSome coastal areas may experience erosion due to increased storm activity.
Distance to Coast2 km

Historical Events

2007
Moderate

A severe storm caused flash flooding and property damage in Narraweena.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage systems and build flood barriers to protect properties from flooding.

Est. cost: Medium

Bushfire Management

Near-term

Implement bushfire management strategies, including vegetation clearing and community education programs.

Est. cost: Medium

Heatwave Preparedness

Immediate

Develop a heatwave preparedness plan and provide cooling centers for vulnerable residents.

Est. cost: Low

Coastal Protection

Long-term

Implement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise.

Est. cost: High

Community Awareness Programs

Near-term

Educate residents about climate risks and adaptation measures through community workshops and online resources.

Est. cost: Low

Council & Emergency Services

Northern Beaches Council
Emergency Services

Data last updated: 29 May 2026

Explore Narraweena Risk Reports

Frequently Asked Questions

Is Narraweena prone to hailstorms?

Hail risk in Narraweena 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 Narraweena?

Under AS/NZS 1170.2, properties in Narraweena 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 Narraweena?

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 Narraweena 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 Narraweena is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.7% of Narraweena in high-risk zones for bushfire, with a further 65.4% 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 Narraweena Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Narraweena, New South Wales, 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