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.

Current ice cover in Canadian WatersArctic OceanWestern ArcticEastern ArcticHudson BayEast CoastGreat LakesAnimation

Arctic Ocean | Western Arctic | Eastern Arctic | Hudson Bay | East Coast | Great Lakes

Full Resolution Map | Animated Map (last 10 days)

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.


Link to


Seasonal Summary - Arctic

Download the Seasonal Summary for North American Arctic Waters - Summer 2016. [PDF; 3.96 MB]

How to Read an Ice Chart

This helpful guide explains the proper way to interpret ice conditions on our charts

Typical Ice Condition Charts

30-year average ice condition graphics for the Arctic, Hudson Bay, East Coast, Great Lakes

Interesting Images

Fast ice and mobile ice in James Bay on February 10, 2017

Image Archive

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