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All images and data below are calculated from the CryoSat-SMOS merged sea ice thickness gridded data provided by the Alfred Wegener Institute.
These data are only available during the freezing season from mid-October to mid-April.
The data for the 2025/2026 freezing season are preliminary and may be revised later.
Each daily image covers a 7-day period, which is labeled with the midpoint of the interval. E.g. the 28 Oct 2025 image corresponds to the 7-day period from 25 to 31 October.
Update 25 Apr 2026: data for all years updated to the new version (v300).
Thickness or anomaly map for custom date:
Definition of the regions:
Data spreadsheet
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