"Whangarei Harbour Radio" is the official call up name for the radio station - Call Sign is ZMH 56. A listening watch is kept 24hours/day on VHF Channels 16/19.

Emergency contact with Northport Ltd, ship safety and emergency services must be made through Whangarei Harbour Radio VHF Channel 19.

A ship's listening watch must be kept on VHF channels 16 and 19 at all times when at anchor or manoeuvring in the harbour. All commercial vessels must notify Whangarei Harbour Radio when departing a berth or passing the Fairway Buoy and provide the following information:

• Ship's name
• Last Port
• Next Port
• Draft