New Zealand Notices to Mariners

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New changes for Kiwi charts: what boaters need to know this fortnight
Updates to marine protections, biosecurity zones, dredging works, chart corrections, and a new harbour light feature in the latest Notices to Mariners...

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Mariners advised of minor chart and navigation updates: October 2025
Edition 21 of New Zealand Notices to Mariners brings small but important updates for Milford Sound and Manukau Harbour.

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Notices to Mariners update: key changes for October 2025
Chart withdrawals, ENC updates, and ECDIS anomalies highlighted in latest Hydrographic Authority release.














