• Chunks of melting sea ice along a shoreline and subsistence camps on the beach in the background.

    Cape Krusenstern

    National Monument Alaska

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Did You Know?

Image of sea ice

The Chukchi Sea is ice-covered from November until May.  Ice formation begins in October, with the ice edge from the permanent polar ice pack extending progressively southward until late March. The northward retreat of the ice edge begins in April and continues until late September.