if you have Google earth on your computer click on
http://www.justmagic.com/_externsite/GE/World_Tides.kmz and click open with Google earth and you can get tides from Ireland and around the world
when it opens click on the white square box with the black center and then click on the University of Udine in blue writing
if you have not got Google earth you can download it here
http://www.google.com/earth/download/ge/agree.htmli compared some of the tides time with
http://www.sailing.ie and they were pretty close,if you have a friend living abroad maybe you can ask them the tide times there to compare the tides just to see how accurate it is
it might be handy if you are planing a holiday