Check the Tides at UKHO with EasyTide - free 7 day tidal forecasts with a "pay" option to get longer term data. Nice graphs. See also Tides4Fishing.com for free predictions for 2013.

14 day Tidal info for the UK - accessed via YBW.com

Kimmeridge tide times. Details for Kimmeridge in Dorset - http://www.coastlink.org/kimmeridge/tides.html

Kyle Akin tidal constants. Very specific info for Kyle Akin on Skye - potentially useful for anyone doing a course in the area.

XTide - free tides to 2037 for most standard ports.