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

Nautical charts, publications, listing of replaced and withdrawn charts, commemorative charts, and sample products.

CHS Digital Transformation

Major investments in advanced technologies and standards to ease a new era of marine navigation with digital products.

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.


The science of surveying and charting waters.

Help and information

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

What we are doing


CHS Digital Transformation Initiative

CHS Digital Transformation Initiative

At the Canadian Hydrographic Service, innovation is a guiding principle for the bold digital transformation initiative now underway.

Supporting women in hydrography

Supporting women in hydrography

Enabling more women to participate equitably and assume more leadership roles in the field of hydrography.

2022 Tide Tables Available Now

2022 Tide Tables Available Now

Download your 2022 Canadian Tide and Current Tables now to help navigate safely through Canadian waters.

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