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 for free predictions for 2013.

14 day Tidal info for the UK - accessed via

Kimmeridge tide times. Details for Kimmeridge in Dorset -

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.