Baltic Sea ice concentration, extent, and classification time series

Sea Ice

Gridded sea ice concentration, sea ice extent and classification based on the digitized Baltic ice charts produced by the FMI/SMHI ice analysts. It is produced daily in the afternoon, describing the ice situation daily at 14:00 EET. The nominal resolution is about 1km. The temporal coverage is from the beginning of the season 1980-1981 until today.

'''DOI (product) :'''
https://doi.org/10.48670/moi-00131

Data and resources

cmems_obs-si_bal_phy-sit_my_l4-1km_P1D-m

For accessing native data and Analysis-ready Cloud-optimized data services, consult this STAC metadata endpoint

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cmems_obs-si_bal_phy-sit_my_l4-1km_P1D-m

HTML Open
cmems_obs-si_bal_seaice-conc_my_1km

For accessing native data and Analysis-ready Cloud-optimized data services, consult this STAC metadata endpoint

JSON Open
cmems_obs-si_bal_seaice-conc_my_1km

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Additional information

Temporal extent	1980-11-03 – 2026-06-04
Date (creation)	2010-11-26
Status	onGoing
Update frequency	annually
Metadata language	en
License	See Copernicus Marine Environment Monitoring Service Data commitments and licence at: http://marine.copernicus.eu/web/27-service-commitments-and-licence.php
Source metadata	ISO 19115 XML
Last updated	2026-11-04
Created	2026-11-04
API	package_show