About the Canadian Hydrographic Service (CHS)

Since 1883, the Canadian Hydrographic Service (CHS) has studied Canada’s oceans, lakes and rivers to ensure their safe, sustainable and navigable use. Find out why CHS is a recognized world leader in hydrography.

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Announcements

CHS is ISO 9001:2000 certified

Important Messages

  • No Current Notices

Related Services

  • Notice to Mariners - Waiver of Responsability
  • Marine Services Online
  • Canadian Ice Services