Coasts

Learn about different kinds of beachs and how they form, with diagrams and examples of each type.

NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.

Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere.

Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.

This web camera is available thanks to the support of Waikato Regional Council.

Hydrocarbons, although requiring increasingly responsible use, are still an essential part of our modern economy. NIWA has provided survey and consultancy services related to the exploration of offshore mineral resources for thirty years.

The condition of many NZ lakes is under threat from land-use changes and the invasion of alien aquatic plants.

NIWA scientists have written a guide for managing mangroves, prompted by a desire for people to learn more about mangrove ecosystems, and what happens when they are removed.

Porirua at Mana Marina sea levels