NIWA has a range of online tools and information relating to tides, including a tide forecaster, yearly tide envelopes and storm tide "red alert" days.
The NIWA Biodiversity Memoirs are comprehensive, definitive, illustrated reference works that capture the rigorous, peer-reviewed scientific study of New Zealand’s distinctive marine fauna and flora.
Today’s marine ecosystems are under immense pressure from growing populations wanting more. From food provision to cultural and recreational opportunities, the increase in activity translates into more use of certain areas. Stressors can affect ecosystems in many ways.
This system combines daily sea-level data from NIWA, regional councils, port companies, Antarctica NZ, Bureau of Meteorology and territorial authorities.
