The ocean that borders Alaska to the south is the Pacific Ocean.

The Pacific Ocean borders Alaska’s southern coastline, providing vital influence on the state’s climate, marine life, and economy. This vast ocean helps regulate temperatures in southern Alaska, though the area still experiences harsh winter conditions. The Pacific Ocean is crucial for Alaska’s fishing industry, supporting abundant species such as salmon, halibut, and cod. The Aleutian Islands, part of Alaska, extend into the Pacific, creating a natural boundary between the ocean and the Bering Sea. The Pacific’s importance to Alaska is reflected in both its ecology and economic impact.