Despite Iceland's high latitude on the edge of the Arctic circle, its coastal waters do not completely freeze thanks to the warmer Atlantic Gulf Stream, a system of thermal currents a few degrees warmer than the surrounding waters.

尽管冰岛位于北极圈边缘的高纬度地区，它的周边海域却因受益于北大西洋暖流而不会完全冻结，这是一股水温比周围海水高出几度的温暖洋流系统。