Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Friday | High | 02:21 | 3.35m | Friday | Low | 09:23 | 2.23m | Friday | High | 15:06 | 3.55m |
| Friday | Low | 22:21 | 2.02m | Saturday | High | 04:17 | 3.35m | Saturday | Low | 11:03 | 2.18m |
| Saturday | High | 16:44 | 3.71m | Saturday | Low | 23:47 | 1.75m | Sunday | High | 05:43 | 3.68m |
| Sunday | Low | 12:18 | 1.87m | Sunday | High | 17:52 | 4.09m | Monday | Low | 00:49 | 1.32m |
| Monday | High | 06:37 | 4.10m | Monday | Low | 13:12 | 1.46m | Monday | High | 18:43 | 4.53m |
| Tuesday | Low | 01:38 | 0.89m | Tuesday | High | 07:20 | 4.49m | Tuesday | Low | 13:57 | 1.05m |
| Tuesday | High | 19:25 | 4.95m | Wednesday | Low | 02:20 | 0.53m | Wednesday | High | 07:59 | 4.81m |
| Wednesday | Low | 14:37 | 0.71m | Wednesday | High | 20:06 | 5.29m | Thursday | Low | 03:00 | 0.29m |
| Thursday | High | 08:36 | 5.04m | Thursday | Low | 15:17 | 0.46m | Thursday | High | 20:47 | 5.49m |
