Canadian Ice Service
At the Canadian Ice Service (CIS), our mission is to provide the most accurate and timely information about ice in Canada's navigable waters. We work to promote safe and efficient maritime operations and to help protect Canada's environment.
Latest Ice Conditions
For the latest ice conditions, click the appropriate regional area on the map.
This map displays the latest ice cover in Canadian waters. It is updated on a daily basis from the most recent regional and daily ice charts.
To learn more about our products and how to interpret them, take a look at our Ice Products Guide.
Image of the Month - December 2013
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