The Gulf of Alaska is an arm of the Pacific Ocean defined by the curve of the southern coast of Alaska , stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the east , where Glacier Bay and the Inside Passage are found .
The Gulf of Alaska is an arm of the Pacific Ocean . The borders are the southern coast of Alaska , stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the east , where Glacier Bay and the Inside Passage are found .