Atmospheric analysis

These datasets are available in a range of formats.

The majority of New Zealanders are able to recall a story about catching eels when they were children.

More information about our online freshwater databases.

Like the GMS satellite, the NOAA Series of polar orbiting satellites (operated by NOAA, the US National Oceanic and Atmospheric Administration) are a component of the World Weather Watch meteorological satellite network.

Understanding what happens above and below ground during a flooding event, and how it is different from normal rainfall conditions

Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.

Some simple steps to minimise the effects of aquaculture activities on water quality and mahinga kai.

Information about climate and weather and links to climate-related websites.

NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.

Currently, the most reliable method to estimate the age of tuna is by examination of their otoliths or "ear bones"