July 20 2023:  Over the past week, the sea ice had a decrease, since last week, by a higher rate of 9.76%, from the level on 07/13/2023 of
8.466 M km² to 7.640 M km² for this week.

The negative sea ice anomaly this week was lower than the anomaly of -1.155 M km² on 07/13/2023 to a greater negative anomaly of -1.367 M km² on 07/20/2023, and so more anomalously negative for this time of year.

In the waters around Antarctica, 2023 stands out as an extremely low sea ice year in the record since 1979: