Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Tuesday | Low | 03:49 | 0.87m | Tuesday | High | 09:22 | 4.87m | Tuesday | Low | 16:13 | 0.86m |
| Tuesday | High | 21:42 | 4.77m | Wednesday | Low | 04:28 | 1.01m | Wednesday | High | 10:00 | 4.81m |
| Wednesday | Low | 16:56 | 0.97m | Wednesday | High | 22:23 | 4.56m | Thursday | Low | 05:08 | 1.19m |
| Thursday | High | 10:38 | 4.68m | Thursday | Low | 17:40 | 1.14m | Thursday | High | 23:04 | 4.31m |
| Friday | Low | 05:49 | 1.41m | Friday | High | 11:18 | 4.50m | Friday | Low | 18:26 | 1.33m |
| Friday | High | 23:48 | 4.05m | Saturday | Low | 06:30 | 1.64m | Saturday | High | 12:00 | 4.29m |
| Saturday | Low | 19:13 | 1.54m | Sunday | High | 00:35 | 3.80m | Sunday | Low | 07:15 | 1.88m |
| Sunday | High | 12:46 | 4.07m | Sunday | Low | 20:04 | 1.73m | Monday | High | 01:29 | 3.57m |
| Monday | Low | 08:07 | 2.09m | Monday | High | 13:41 | 3.86m | Monday | Low | 21:05 | 1.87m |
