Canadian Ice Service
The Canadian Ice Service's mission is to provide the most timely and accurate 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 combines the latest ice information available from Canadian Ice Service charts. This ice information is updated daily in areas of known marine activity. In remaining Canadian waters, ice information is updated weekly from the regional charts which are issued at the end of the day every Wednesday.
To access the latest detailed ice charts, select your region of interest above.
To learn more about our products and how to interpret them, take a look at our Ice Products Guide.
Download the Seasonal Summary for North American Arctic Waters - Summer 2016. [PDF; 3.96 MB]
This helpful guide explains the proper way to interpret ice conditions on our charts
30-year average ice condition graphics for the Arctic, Hudson Bay, East Coast, Great Lakes
Fast ice and mobile ice in James Bay on February 10, 2017
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