Channels of the Hawaiian Islands Maui. Although the channel is only about at its shortest point, it is one of the windiest and roughest in the Hawaiian Islands. The Kalohi Channel is the stretch of water separating Lānaʻi and Molokaʻi. Depth of water in this channel is about and width is . This is one of the less treacherous channels between islands in the archipelago, although strong winds and choppy sea conditions are frequent. Kalolohia beach on the Lānaʻi coast is also known as "Shipwreck Beach" because of a wreck on the reef there. Kalohi means "the slowness." The Kaiwi Channel (also known as the
Hawaiian Islands Humpback Whale National Marine Sanctuary Hawaiian Islands Humpback Whale National Marine Sanctuary The Hawaiian Islands Humpback Whale National Marine Sanctuary is one of the world's most important whale habitats, hosting thousands of humpbacks ("Megaptera novaeangliae") each winter. The sanctuary encompasses in the islands' waters. It was designated by United States Congress on November 4, 1992, as a National Marine Sanctuary to protect the endangered North Pacific humpback whale and its habitat The sanctuary promotes management, research, education and long-term monitoring. With its boundaries including waters from the shoreline to depths of in many areas, the sanctuary encompasses a variety of marine ecosystems, including seagrass beds