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People going down to the sea in ships need to know where the ice is. To make that possible, the Canadian Ice Service provides mariners and other users with timely, accurate and reliable reporting on ice conditions.
This critical information is communicated in codes and symbols that describe a variety of ice conditions in marine areas from the Great Lakes to the Arctic. To learn how to use this information effectively, read the background to the Egg Code and examine how it works.
The Canadian Ice Service is continuing to update its reporting methods. Check back soon for new developments.
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Overview |
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Egg Code |
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Code Background |
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How it Works |
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How it is Organized |
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Conditions/ Factors |
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Ice Symbols |
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Egg Code Tables |
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Egg Code Examples |
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Gulf of St. Lawrence |
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St. Lawrence River |
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East Coast |
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Great Lakes |
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Arctic |
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Arctic 2 |
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CIS Colour Code |
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WMO Colour Codes |
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MANICE |
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Introduction |
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Chapter 1 |
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Chapter 2 |
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Chapter 3 |
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Chapter 4 |
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Chapter 5 |
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Chapter 6 |
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Ice Terminology |
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Sea Ice (HTML) |
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Sea Ice (PDF) |
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Lake Ice (HTML) |
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Lake Ice (PDF) |
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Icebergs (PDF) |
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Ice Pilot (PDF) |
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Marine Services On-line |
