Intense gales reaching speeds of approximately 155km/h (96mph) have left approximately 90,000 properties experiencing outages and forced agencies to cancel over 100 flights, as reported by local media.
The winds are affecting the entire South Island and southern sections of the North Island, as stated by the weather forecasting body.
New Zealand authorities have issued uncommon red wind warnings - the top caution category - in central regions including these major districts.
People have been encouraged to stay indoors, stay off roads, and get ready for additional electricity and network failures.
Broad Impact and Emergency Response
The electricity loss seems to be impacting homes mainly in the South Island, though agencies state that power was being slowly brought back.
Domestic outlets have stated that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been toppled by the gales.
In Wellington, a individual was fatally injured after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was swept into approaching vehicles on a road by a strong gust of wind, in a moment that was captured in a widely shared car camera footage.
Aircraft services in and out of the metropolis have been cancelled because of the winds, while various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have declared a state of emergency, to assist recovery activities.
Labor Protests Amid Extreme Weather
These intense gusts on today coincide with numerous of teachers, doctors and other public workers are participating in what has been described as a "significant labor action", calling for improved salaries and workplace environments.
But the extreme weather has forced them to change certain arrangements, with several external protests relocated inside or cancelled.
Like conditions are affecting the neighboring country, ushering in a period of extreme heat to the remote areas.
Officials have issued burning restrictions for fear of forest fires.