On Tuesday, April 23, a ridge is expected to lie over the north of New Zealand while a northwest flow strengthens over central and southern parts New Zealand.

A weak front brings some rain to Fiordland. However, the risk of severe weather is considered minimal.

On Wednesday a ridge remains over the north of New Zealand, while a strong northwest flow persists further south.

Another front is expected to move onto the South Island from the west, with heavy rain possible in Fiordland and Westland District south of the Glaciers. However, currently the risk of severe weather is considered minimal.

Another front from the Tasman Sea is expected to move across the South Island on Thursday, preceded by strong northerlies and heavy rain for western areas.

There is moderate confidence of rain in Fiordland and the ranges of the Westland District reaching warning criteria.

There is low confidence in northwest winds reaching severe gale in exposed parts of Fiordland, inland Southland, Central Otago, Southern Lakes, Canterbury High Country, Marlborough Sounds, Wellington and Wairarapa south of Masterton.

On Friday, April 26, the front is forecast to move northwards over the North Island bringing brief heavy rain to some places.

There is low confidence in warning amounts of rain during the morning for Bay of Plenty east of Whakatane. There is low confidence that severe northwest gales will affect exposed places before dawn in the north Canterbury High Country, Marlborough Sounds, Wellington and Wairarapa south of Masterton.