Tides are caused by the gravitational pull of the moon and sun. Learn about tidal theory and the different types of tides around New Zealand.

The gravitational pull of the moon and sun provides the driving force for tides. On top of this, the rotation of the Earth, the size and shape of the ocean, as well as local factors all affect the size and frequency of the tide at a particular place.

This section provides a basic understanding of tidal theory and a description of the different types of tides found in New Zealand.

Contact Kōrero whakapā

Got a query about our marine information? 

Email our Customer support team:

customersupport@linz.govt.nz