Severe gusts attaining speeds of up to 155km/h (96mph) have resulted in around 90,000 properties without power and led officials to call off more than 100 aircraft departures, according to regional news sources.
The winds are influencing the whole South Island and southern sections of the North Island, per the national weather agency.
New Zealand authorities have announced rare high-level wind alerts - the most severe warning - in key areas including Canterbury and Wellington.
Locals have been advised to stay indoors, stay off roads, and get ready for more electricity and network failures.
Extensive Damage and Emergency Measures
The power cut appears to be affecting homes predominantly in the southern region, although authorities state that energy was being restored progressively.
Local media have stated that in some places roofs have been ripped off houses, and utility poles and vegetation have been toppled by the gusts.
Across Wellington, a man was killed after being struck by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a individual was swept into approaching vehicles on a road by a strong gust of wind, in a incident that was filmed in a viral dashcam video.
Air travel in and out of the city have been halted as a result of the weather, while some roads and libraries are also closed.
Meanwhile Canterbury officials have issued a emergency situation, to support recovery activities.
Work Stoppages During Extreme Conditions
The wild winds on this day come as many of educators, medical professionals and government employees take part in what has been termed a "mega strike", calling for better pay and working conditions.
Yet the extreme weather has pressured them to modify some of their plans, with several external protests relocated inside or abandoned.
Comparable winds are affecting Australia, ushering in a heatwave to the remote areas.
Officials have declared fire bans for concern about wildfires.
