Iceland has three different ocean currents surrounding it: the warm southwest current, the mixed north current and the cold east current.

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They have since been pushed into the Sea of Japan by a branch of the warm Kuroshio current that is running much closer to land than usual, and have spread up Japan's west coast and even through the Tsugaru strait between Japan's main island, Honshu, and northern Hokkaido into the Pacific Ocean.

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