DATUM CHANGED FROM PORT DATUM TO L.A.T. ON 1/1/78; L.A.T. IS 0.23M BELOW PORT DATUM
Documentation added 1991-06-11
Dublin 175/071 RLR(1987) is 10.6m below TGBM Estabished 1895
Documentation added 2010-06-10
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.
Documentation added 2017-03-15
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.
Documentation added 2018-08-08
Gerard McCarthy has supplied a map confirming that the tide gauge at Dublin was situated in the Alexander Basin.
Dublin Port Company Port Centre Alexandra Road Dublin 1
Documentation added 2002-07-08
The Dublin Port Company was formerly the Dublin Port & Docks Board.