Australian Hydrographic Office

Notices to Mariners

Fortnightly Notices to Mariners, tracings, blocks and other supplements are available in PDF format to update paper charts and paper publications.

PRODUCT DOWNLOADS

Get the latest updates to AusENC and other downloadable products here.

New to AUSENC

AusENC now includes Coastal Packs with coverage of New Zealand waters.

AHO2020

AHO2020: Celebrating the Centenary of the Australian Hydrographic Service