The tide timetable below is calculated from Holyhead, Wales but is also suitable for estimating tide times in the following locations:
- Holyhead (0km/0mi)
- Trearddur Bay (2.5km/1.6mi)
- Porth Trecastell (15km/9.3mi)
- Cemaes Bay (18.3km/11.4mi)
- Llanddwyn Island (24.9km/15.5mi)
- Amlwch (24.9km/15.5mi)
- Porth Dinlläen (28.1km/17.5mi)
- Moelfre (28.3km/17.7mi)
- Caernarfon (33.7km/21.1mi)
- Criccieth (50.1km/31.3mi)