The northern coastline of Groais Island has high cliffs rising over 100 metres from the ocean. Although the ocean is mostly ice-covered in the region from January to April, the prevailing westerly winds often create open leads of water around the island.
The northern coast of Groais Island is characterized by steep cliffs that rise significantly above the sea level. In the cold winter period from January to April, the ocean is mostly frozen over, but the prevailing westerly winds often create temporary breaks in the ice, allowing water to flow freely around the island.