DATUM CHANGED FROM PORT DATUM TO L.A.T. ON 1/1/78; L.A.T. IS 0.23M BELOW PORT DATUM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Dublin              175/071 RLR(1987) is 10.6m below TGBM Estabished 1895
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 10-Jun-2010
Up until 2001 the data for Dublin was sent on a regular basis to POL by the Dublin Port Company datum at that time was referred to L.A.T.. However in 2002 the Hydrographic Department closed down and although the gauge is still running and the records kept by the Harbour Master Capt. David Dignam he has assumed the datum to be chart datum. Capt. Dignam has supplied the high frequency data for 2002-2009 which has now been processed.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 15-Mar-2017
After examining the historical files it was discovered that data for Dublin up to 2001 was supplied as Mean Tide Data and not Mean Sea Level data. Because of this the data has been flagged within the database.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 08-Aug-2018
Gerard McCarthy has supplied a map confirming that the tide gauge at Dublin was situated in the Alexander Basin.

