Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Monday | Low | 06:06 | 1.13m | Monday | High | 11:29 | 4.05m | Monday | Low | 18:13 | 1.31m |
| Monday | High | 23:44 | 4.27m | Tuesday | Low | 06:49 | 1.20m | Tuesday | High | 12:15 | 3.93m |
| Tuesday | Low | 18:59 | 1.43m | Wednesday | High | 00:30 | 4.16m | Wednesday | Low | 07:39 | 1.27m |
| Wednesday | High | 13:06 | 3.81m | Wednesday | Low | 19:50 | 1.54m | Thursday | High | 01:23 | 4.04m |
| Thursday | Low | 08:34 | 1.32m | Thursday | High | 14:06 | 3.71m | Thursday | Low | 20:50 | 1.63m |
| Friday | High | 02:23 | 3.97m | Friday | Low | 09:38 | 1.32m | Friday | High | 15:14 | 3.70m |
| Friday | Low | 21:57 | 1.64m | Saturday | High | 03:32 | 3.98m | Saturday | Low | 10:44 | 1.25m |
| Saturday | High | 16:25 | 3.79m | Saturday | Low | 23:06 | 1.55m | Sunday | High | 04:42 | 4.08m |
| Sunday | Low | 11:47 | 1.12m | Sunday | High | 17:29 | 3.97m | Thursday | Low | 01:00 | 0.00m |
