New Zealand authorities are preparing for the arrival of Tropical Cyclone Vaianu later this week, following warnings from the National Emergency Management Agency that the system is expected to be severe.

The agency has urged residents to make preparations in advance of its forecast arrival.

MetService earlier reported that the cyclone had sustained winds of 95 km/h at its centre. Forecast tracking indicates the system is expected to cross New Zealand, with current conditions prompting a range of weather watches across the country.

Forecasters have advised that the cyclone could have potentially life‑threatening impacts when it reaches the country. Strong wind and heavy rain watches have been issued for much of the upper and central North Island, beginning late on Saturday.

While the precise impact on transportation is still unclear, the storm could cause power outages, flooding, slips, road closures and isolated communities.

Maritime operations are already adjusting to the projected conditions.

An advisory by Tauranga Port announced it will suspend all inbound vessel movements from 18:00 on Friday, 10 April. The earliest anticipated reopening for vessel entry is 08:00 on Monday, 13 April, subject to weather and harbour conditions.

Swell conditions are forecast to exceed safe operating limits from early Saturday. As a result, Tauranga anchorage is not recommended, and vessels have been advised to seek suitable shelter clear of the storm system.

Tauranga Container Terminal currently plans to retain its existing berth line‑up for recovery, with cargo operations expected to recommence on Monday.

For the latest port and vessel statuses or situation updates, please refer to the seaexplorer alert map.