Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Sunday | High | 00:17 | 3.97m | Sunday | Low | 07:20 | 1.49m | Sunday | High | 12:45 | 3.73m |
| Sunday | Low | 19:35 | 1.70m | Monday | High | 01:02 | 3.71m | Monday | Low | 08:14 | 1.72m |
| Monday | High | 13:41 | 3.44m | Monday | Low | 20:31 | 1.97m | Tuesday | High | 02:05 | 3.47m |
| Tuesday | Low | 09:26 | 1.88m | Tuesday | High | 15:02 | 3.24m | Tuesday | Low | 21:51 | 2.12m |
| Wednesday | High | 03:34 | 3.36m | Wednesday | Low | 10:54 | 1.85m | Wednesday | High | 16:43 | 3.29m |
| Wednesday | Low | 23:21 | 2.04m | Thursday | High | 05:06 | 3.52m | Thursday | Low | 12:09 | 1.58m |
| Thursday | High | 17:56 | 3.60m | Friday | Low | 00:30 | 1.74m | Friday | High | 06:09 | 3.86m |
| Friday | Low | 13:04 | 1.20m | Friday | High | 18:47 | 3.98m | Saturday | Low | 01:23 | 1.34m |
| Saturday | High | 06:56 | 4.26m | Saturday | Low | 13:51 | 0.81m | Saturday | High | 19:29 | 4.35m |
