These tidal predictions use the simplified harmonic method of computation. The figures are automatically adjusted for BST. Please note these are predictions and there can be variations in predicted data from different sources. It is important to remember that whatever the source it is only a prediction*.
* The tidal predictions supplied on this website are provided in good faith. Hafan Pwllheli accepts no liability for any direct, indirect, consequential or incidental damages that result from any errors in the information or damages that arise from the use or misuse of the information available from this site.