LINZ publishes Annual and Fortnightly New Zealand Notices to Mariners (NTMs) to advise mariners of matters affecting navigational safety.
COVID-19 update: Maritime Safety Information including Notice to Mariners (NtMs) Services
The New Zealand Hydrographic Authority is prioritising safety critical maritime information throughout the COVID-19 Level 4 Alert period. We are working hard to make sure safety critical information is provided through the normal channels including Radio Warnings, NAVAREA XIV Broadcasts and NtMs.
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Annual New Zealand Notices to Mariners are standing notices published in the New Zealand Nautical Almanac. Fortnightly notices (New Zealand Notices to Mariners) should be used to correct New Zealand nautical charts.
Search for Notices to Mariners by chart
The Cumulative edition of New Zealand Notices to Mariners lists the corrections affecting each chart. It is issued quarterly in NZ Notices to Mariners and is updated fortnightly on this website.
Temporary and Preliminary Notices in Force
The New Zealand Temporary and Preliminary Notices in Force lists all current temporary and preliminary notices affecting New Zealand charts, ENC cells and INT charts. A summary is issued in the current New Zealand Notices to Mariners Edition and is updated fortnightly on this website.