Toitū Te Whenua charts New Zealand's waters and coast to help commercial and recreational mariners safely navigate our waters.

The products and services provided by Toitū Te Whenua help you to navigate New Zealand's waters safely - whether you are a recreational or professional mariner.

Our official publications are designed to equip you with the most accurate charts and other information used for navigation, covering nautical features such as harbours and ports, tides and currents, lights and astronomy.

Toitū Te Whenua regularly updates its charts to ensure they are as current and accurate as possible. You need to keep your charts up to date by referring to the Notices to Mariners on

For maritime safety information, go to:

Maritime radio information

To access the maritime radio network in case of emergency or to report maritime accidents:

Maritime contacts

Notifying a hazard

The mariner community provides important information that goes into Toitū Te Whenua's products and services. To help all mariners stay safe at sea, companies and individuals let Toitū Te Whenua know about any hazards or changes to navigational features on the charts by phoning Toitū Te Whenua's 0800 service to update the Notices to Mariners, or completing a Hydrographic Note

Contact Kōrero whakapā

Got a query about maritime safety? 

Email our Customer support team: