The 2017 or 2018 Tide Tables provide times and depths of low water and high water for thousands of places in North America, South America, Greenland, Hawaii, the Central Pacific Ocean, the Indian Ocean, the West Coast of Europe and Africa, and the Mediterranean Sea. These tables have been approved by the U.S. Coast Guard for use aboard commercial vessels. The official NOAA tide tables that mariners have been trusting since 1853. These tables are exact replicas of the official government publications, no longer available from the government. Also available are the companion Tidal Current Tables.