Weather forecasting

Specialist services to ensure that one of our experts is available to you anytime, and that we completely understand your requirements to develop bespoke products and services.

NIWA Forecast is NIWA’s dedicated environmental forecasting and information software.

NIWA’s South Island snow and ice monitoring stations have confirmed what many skiers have been talking about: winter has been dry and snow coverage has been poor. In fact, several sites have recorded half their typical snow depth for this time of year.

If we can understand how the Earth’s climate has changed in the past, we can use that information to understand how it might change in the future.

Weather tells you what to wear each day, while climate tells you what types of clothes to have in your closet.

Once in a while the weather becomes much more dangerous – what meteorologists call severe weather.

The climate of New Zealand is incredibly varied for a country of its size.

Have you ever wondered what makes the climate during one season more extreme than another?

Forecasting future weather starts by knowing what the weather is doing right now – everywhere in the world!

Is today sunny, cloudy, windy, rainy, or stormy? All of those things are part of the weather...

There are about 800km between the southern and northern tips of Tonga - and a lot of ocean.

The Southern Annular Mod is a ring of climate variability that encircles the South Pole and extends out to the latitudes of New Zealand.