The term 'listings in a nautical table' refers to the information found in a nautical table, which is a chart used by sailors and navigators to help them determine their position at sea. The crossword solution for this term is 'tides, ' which are the regular rise and fall of the ocean's surface caused by the gravitational pull of the moon and sun. Tides are an important factor for sailors to consider when navigating, as they can affect the speed and direction of a vessel.