Intense gusts reaching speeds of up to 155km/h (96mph) have left around 90,000 homes without power and compelled agencies to halt over 100 air travel services, as reported by regional news sources.
These gusts are impacting the whole South Island and lower areas of the North Island, per the national weather agency.
Officials in New Zealand have issued infrequent red wind warnings - the most severe warning - in core zones including Canterbury and Wellington.
People have been advised to remain inside, avoid travel, and make arrangements for additional electricity and network failures.
Broad Destruction and Emergency Measures
The power cut is primarily influencing households mainly in the southern region, though officials report that power was being gradually reinstated.
Regional news have indicated that in some places homes have lost their roofs, and utility poles and vegetation have been toppled by the winds.
Across Wellington, a man was killed after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto oncoming traffic on a road by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Aircraft services entering and leaving the metropolis have been halted because of the winds, while certain highways and community centers are not operating.
Meanwhile authorities in Canterbury have issued a emergency situation, to support emergency management operations.
Labor Protests Amid Severe Conditions
These intense gusts on today occur while many of educators, medical professionals and government employees are engaged in what has been called a "mega strike", calling for improved salaries and workplace environments.
But the severe conditions has compelled them to modify various scheduled activities, with some outdoor rallies shifted to interior venues or called off.
Similar gusts are affecting the nearby nation, causing a high-temperature event to the remote areas.
Agencies have issued fire bans for apprehension regarding bushfires.