Latest ice conditions

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.

For the latest ice conditions, click the appropriate region on the map.

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.

Take a look at our Ice Products Guide to learn more about our products and how to interpret them.

For more information, follow these links:

• Canadian Ice Service archive: overview
• Ice climatology
• Ice glossary
• Educational ice resources
• Ice science
• Canadian Ice Service links
• Contact Canadian Ice Service