Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

Sea Ice Index

July 1, 2013: The Sea Ice Index team has replaced the
22-year base period with a new 30-year version. Read more.

Sea Ice Index Animation Tool

Animate Monthly Extent, Concentrations, Anomalies, and Trends

Start Year
Start Month
  Fixed Month Animations
  Auto Rewind at End


  Sea Ice