A nautical chart is a vital tool for sailors and navigators to navigate the waters safely. It provides a wealth of information about water depth, underwater hazards, coastline, and other significant landmarks. Synonyms for a nautical chart include marine chart, sea chart, nautical map, and hydrographic chart. These terms are often used interchangeably, and they all refer to a specialized map designed specifically for maritime use. Nautical charts come in various formats, including paper charts, digital charts, and electronic charts. They are an essential tool for sailors and other seafarers who rely on them to navigate their vessels in all sorts of weather and water conditions.