27/05/2026
We have global coverage of tidal predictions for more than 7,000 ports and 3,000 tidal streams. ADMIRALTY Total Tide (ATT) provides the data to easily calculate and view your ship's under-keel and safe overhead clearances.
ATT presents this information, which is quality-assured by maritime experts at the UK Hydrographic Office, in user-friendly graphical forms to help bridge crews understand predictions during peak workload and pressure.
Purchase ATT for your area: https://eu1.hubs.ly/H0vpkfk0