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.

Arctic OceanWestern ArcticEastern ArcticHudson BayEast CoastGreat LakesAnimationCurrent ice cover in Canadian Waters

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

Full Resolution Map | Animated Map (last 10 days)

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.