Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Wednesday | Low | 02:46 | 1.39m | Wednesday | High | 08:24 | 4.35m | Wednesday | Low | 15:15 | 1.21m |
| Wednesday | High | 20:43 | 4.29m | Thursday | Low | 03:23 | 1.17m | Thursday | High | 08:58 | 4.58m |
| Thursday | Low | 15:52 | 0.97m | Thursday | High | 21:18 | 4.47m | Friday | Low | 03:59 | 0.98m |
| Friday | High | 09:33 | 4.79m | Friday | Low | 16:28 | 0.78m | Friday | High | 21:55 | 4.61m |
| Saturday | Low | 04:36 | 0.83m | Saturday | High | 10:09 | 4.93m | Saturday | Low | 17:08 | 0.65m |
| Saturday | High | 22:31 | 4.68m | Sunday | Low | 05:16 | 0.75m | Sunday | High | 10:47 | 5.00m |
| Sunday | Low | 17:48 | 0.60m | Sunday | High | 23:12 | 4.67m | Monday | Low | 05:57 | 0.76m |
| Monday | High | 11:28 | 4.98m | Monday | Low | 18:31 | 0.63m | Monday | High | 23:55 | 4.57m |
| Tuesday | Low | 06:41 | 0.85m | Tuesday | High | 12:12 | 4.88m | Tuesday | Low | 19:16 | 0.75m |
