Atlantic.....but if you keep going the pacific
Wyoming does not border an ocean. Wyoming is bordered on the north by Montana, on the east by South Dakota and Nebraska, on the south by Colorado, on the southwest by Utah, and on the west by Idaho.
The West land of Montana drains into the Pacific Ocean.
Montana is not on the ocean, it's bordered by Canada, Idaho, Wyoming and North and South Dakota.
Pacific Ocean
Canada is east of Alaska and north of Washington, Idaho, and Montana.
The ocean east of the U.S. is the Atlantic Ocean
The Atlantic Ocean is on the east. <><><><><> The Atlantic Ocean is east of the Americas, but it is west of Europe and Africa.
The Atlantic ocean
Alantic ocean
The east coast ocean is Atlantic Ocean
The Atlantic Ocean is east of Canada.
The Atlantic Ocean is east of the United States.