Severe gusts reaching velocities of up to 155km/h (96mph) have caused nearly 90,000 properties without power and compelled officials to cancel in excess of 100 air travel services, based on domestic outlets.
The winds are impacting the entire South Island and southern parts of the northern region, as stated by the country's meteorological service.
New Zealand authorities have announced uncommon red wind warnings - the top caution category - in key areas including Canterbury and Wellington.
Residents have been advised to avoid going outside, stay off roads, and prepare for additional power and communication outages.
Extensive Damage and Crisis Measures
The power cut appears to be affecting residences predominantly in the South Island, while officials report that power was being restored progressively.
Local media have reported that in various locations homes have lost their roofs, while utility poles and vegetation have been brought down by the winds.
Within the capital, a person was lost his life after being hit by a wooden fragment at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was pushed toward oncoming traffic on a street by a powerful blast, in a moment that was filmed in a viral dashcam video.
Aircraft services to and from the urban area have been suspended due to the gusts, whereas various routes and public facilities are not operating.
Simultaneously Canterbury officials have declared a crisis declaration, to assist recovery activities.
Strike Action Amid Harsh Conditions
The wild winds on Thursday coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "significant labor action", demanding improved salaries and workplace environments.
However the severe conditions has forced them to modify various scheduled activities, with some outdoor rallies relocated inside or abandoned.
Comparable winds are impacting the neighboring country, causing a heatwave to the remote areas.
Agencies have issued flame prohibitions for apprehension regarding wildfires.