The Tasman Sea is a marginal sea of the South Pacific Ocean, situated between Australia and New Zealand. It measures approximately 2,000 kilometers across and is informally referred to by Australians and New Zealanders as 'The Ditch.' The sea was named after the Dutch explorer Abel Janszoon Tasman, who was the first recorded European to encounter New Zealand and Tasmania. The Tasman Sea is known for its turbulent waters, driven by the 'Roaring Forties'—strong westerly winds that circle the Southern Hemisphere. Below the surface, the Lord Howe Rise, an underwater plateau, supports a vast array of marine life and volcanic seamounts. The sea serves as a critical migratory path for humpback whales traveling from Antarctica to warmer breeding grounds. In recent years, it has become a focal point for studying ocean warming, as temperatures here are rising faster than the global average.