Powerful winds reaching speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 homes experiencing outages and compelled authorities to call off over 100 air travel services, according to regional news sources.
The gales are affecting the complete southern region and lower areas of the northern region, according to the weather forecasting body.
The nation's agencies have released rare high-level wind alerts - the highest alert level - in key areas encompassing Wellington and Canterbury.
Locals have been urged to avoid going outside, stay off roads, and prepare for additional power and communication outages.
Extensive Damage and Emergency Measures
The electricity loss seems to be impacting homes mostly in the South Island, while authorities state that energy was being gradually reinstated.
Local media have reported that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been brought down by the gusts.
Across Wellington, a person was fatally injured after being struck by a falling limb at a well-known hiking path on earlier this week.
Additionally in the city, a individual was blown onto oncoming traffic on a road by a intensive burst, in a moment that was filmed in a viral dashcam video.
Flights in and out of the urban area have been suspended as a result of the weather, whereas various routes and public facilities are also closed.
Meanwhile Canterbury officials have issued a crisis declaration, to support recovery activities.
Work Stoppages Alongside Extreme Conditions
The wild winds on today occur while tens of thousands of educators, medical professionals and government employees are engaged in what has been termed a "mega strike", requesting better pay and working conditions.
Yet the extreme weather has pressured them to alter certain arrangements, with various open-air gatherings moved indoors or cancelled.
Similar gusts are also sweeping Australia, bringing a period of extreme heat to the country's outback.
Agencies have announced fire bans for apprehension regarding forest fires.