What is Admiralty Tide Tables or ATT and its volumes ?

Admiralty Tide Tables detail the times and heights of high and low waters for over 230 standard and 6000 secondary ports  in the UK and Ireland, Europe, the Indian Ocean, South China Sea and Pacific Ocean for each day of the year. The tables outline methods of prediction, the effect of meteorological conditions on tides and provide additional information on  exceptional tidal factors in each area.

VOLUME 1: NP 201 – United Kingdom and Ireland (including European Channel Ports)

VOLUME 2: NP 202 – North Atlantic Ocean and Arctic Regions

VOLUME 3: NP 203 – Indian Ocean (including Tidal Stream Tables)

VOLUME 4: NP 204 – South Pacific Ocean (including Tidal Stream Tables)

VOLUME 5: NP 205 – South China Sea and Indonesia (including Tidal Stream Tables)

VOLUME 6: NP 206 – North Pacific Ocean (including Tidal Stream Tables)

VOLUME 7: NP 207 – South West Atlantic Ocean and South America

VOLUME 8: NP 208 – South East Atlantic Ocean, West Africa and Mediterranean (including Tidal Stream Tables)

On the back cover the map of the world showing the limits of each volume is drawn. Each volume is divided into three parts:

PART 1: Primary Ports ( Giving Daily Predictions Of Time Of Low And High Waters).

PART 2: Data Of Secondary Ports.

PART 3: Principle Of Harmonic Constants.

How Admiralty Tide Tables is corrected?

Correction of Admiralty Tide Tables is under SECTION:7 (MISCELLANEOUS PUBLICATION UPDATES) of weekly notice to mariners(WNTMs).