Canadian Hydrographic Service (CHS)

The Canadian Hydrographic Service (CHS) is responsible for the development of electronic charting and methods for surveying and mapping Canada’s waters, including the Arctic. It publishes and distributes nautical charts and publications, such as sailing directions, tides and current tables, and related publications about Canada’s offshore, coastal, and inland waters. They also participate in hydrography surveys aboard a variety of maritime vessels, including ice breakers, to collect data using modern equipment and technologies.