Severe winds hitting speeds of up to 155km/h (96mph) have resulted in nearly 90,000 households experiencing outages and forced authorities to cancel in excess of 100 flights, based on domestic outlets.
These gusts are influencing the whole southern region and southern parts of the North Island, according to the national weather agency.
The nation's agencies have announced uncommon high-level wind alerts - the top caution category - in core zones encompassing Wellington and Canterbury.
People have been urged to avoid going outside, avoid travel, and make arrangements for more power and communication outages.
Extensive Impact and Emergency Measures
The electricity loss seems to be impacting residences predominantly in the South Island, though officials say that the electricity supply was being slowly brought back.
Local media have reported that in certain areas homes have lost their roofs, whereas power lines and trees have been toppled by the gusts.
In Wellington, a individual was killed after being impacted by a falling limb at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a thoroughfare by a intensive burst, in a moment that was captured in a widely shared car camera footage.
Flights in and out of the metropolis have been suspended due to the gusts, while some roads and libraries are not operating.
Meanwhile local leaders have declared a emergency situation, to assist disaster response efforts.
Strike Action Amid Severe Conditions
The powerful gales on today coincide with tens of thousands of teachers, doctors and other public workers take part in what has been called a "major walkout", demanding higher wages and enhanced employment terms.
But the severe conditions has compelled them to alter some of their plans, with some outdoor rallies relocated inside or cancelled.
Like conditions are affecting the neighboring country, causing a heatwave to the nation's interior regions.
Officials have announced burning restrictions for concern about wildfires.
