These daily forecasts describe the ice edge using latitude and longitude coordinates and for each marine area, the total ice concentration, the predominant ice stage of development and the concentration of the oldest ice type. Warnings are issued as appropriate. The forecasts are valid from the time of issue until the end of the following day so for a period of 24 to 48 hours . The following regions are available:
-Gulf of St. Lawrence
-East Newfoundland and Labrador
-Great Lakes
-Western and Central Arctic
-Hudson and Foxe
-Eastern and Northern Arctic