Severe gusts attaining speeds of approximately 155km/h (96mph) have left around 90,000 properties experiencing outages and led authorities to halt over 100 aircraft departures, according to local media.
The gales are influencing the whole southern region and southern parts of the North Island, per the national weather agency.
The nation's agencies have issued uncommon severe gust advisories - the top caution category - in core zones such as Canterbury and Wellington.
Locals have been advised to avoid going outside, avoid travel, and get ready for further power and communication outages.
Widespread Destruction and Crisis Measures
The power cut is primarily influencing homes predominantly in the South Island, while agencies state that the electricity supply was being gradually reinstated.
Local media have indicated that in various locations homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gusts.
In Wellington, a person was lost his life after being impacted by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a individual was swept into approaching vehicles on a road by a strong gust of wind, in a moment that was filmed in a viral dashcam video.
Flights in and out of the urban area have been cancelled due to the weather, whereas some roads and libraries are also closed.
Simultaneously Canterbury officials have issued a crisis declaration, to facilitate recovery activities.
Strike Action Alongside Extreme Conditions
The powerful gales on this day come as numerous of school staff, physicians and civil servants are participating in what has been described as a "major walkout", demanding improved salaries and workplace environments.
Yet the intense climate has compelled them to change various scheduled activities, with various open-air gatherings relocated inside or called off.
Similar gusts are impacting the nearby nation, bringing a high-temperature event to the country's outback.
Officials have announced burning restrictions for apprehension regarding bushfires.