Nautical charts and services

Nautical charts, navigational products and survey results from the Canadian Hydrographic Service.

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Services and information

Nautical charts and publications

Buy nautical charts and publications, view replaced and withdrawn charts, download commemorative and sample charts.

Data products and surveys

Free 10m & 100m resolution bathymetry, learn about surveys and data, and contribute to the development of S-100 applications and software.

Copyright and licensing

Available copyright agreements, royalty rates, and authorized manufacturers for charts, data, and publications for non-navigational use.

Arctic charting

The Canadian Arctic stretches across northern Canada, from the Beaufort Sea east to Baffin Bay and southwards to 60° north latitude.

Help and information

Frequently asked questions and contact information for the Canadian Hydrographic Service.


The science of surveying and charting waters.

What we are doing


New S-100 Service

New S-100 Service

Access S-100 subscription service with S-102 Bathymetric Surfaces and S-111 Surface Currents.

Download 2021 Tides Tables

Canadian Tide and Current Tables

The complete publication of the 2021 Canadian Tide and Current Tables are now available to download for free.

Release of CHS NONNA-10

Release of CHS NONNA-10

Access the new CHS NONNA-10 for an improved, more accessible way to see beneath the surface.

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