drift ice; ice floe
Refers to ice floating on the sea, especially seasonal drift ice seen off Hokkaido. Often used in contexts like 流氷観光 (drift ice sightseeing).
In winter, you can see drift ice in the Sea of Okhotsk off Hokkaido.
Tours where you walk on the ice floes are popular.
Every year around February, drift ice reaches the shore along Hokkaido's Sea of Okhotsk coast.
Countless pieces of drift ice were floating on the sea.
In winter, many tourists visit Abashiri to see the drift ice.