Amchitka Pass is a strait in Alaska

Alaska

Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is located in the Aleutian Islands, between the Rat Islands

Rat Islands

The Rat Islands are a volcanic group of islands in the Aleutian Islands in southwest Alaska, between Buldir Island and the Near Islands group to its west, and Amchitka Pass and the Andreanof Islands group to its east, at about ....

 group to the west and the Delarof Islands

Delarof Islands

The Delarof Islands are a group of small islands at the extreme western end of the Andreanof Islands group in the central Aleutian Islands, Alaska...

to the east. Amchitka Pass has a least width of 50 miles and depths of 49 to over 1,000 fathoms. The islands on both sides of the pass should be cleared by at least 5 miles. Heavy tide rips have been observed off the E end of Amchitka Island. The pass is dangerous in heavy weather, particularly for small and medium craft; currents appear erratic in direction and velocities may be strong. This may account for reports of very large seas and strong tide rips.