Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Thursday | Low | 04:31 | 0.92m | Thursday | High | 09:58 | 4.41m | Thursday | Low | 16:42 | 0.96m |
| Thursday | High | 22:12 | 4.45m | Friday | Low | 05:04 | 0.98m | Friday | High | 10:29 | 4.31m |
| Friday | Low | 17:15 | 1.08m | Friday | High | 22:43 | 4.37m | Saturday | Low | 05:40 | 1.09m |
| Saturday | High | 11:04 | 4.17m | Saturday | Low | 17:50 | 1.23m | Saturday | High | 23:18 | 4.25m |
| Sunday | Low | 06:19 | 1.23m | Sunday | High | 11:44 | 3.99m | Sunday | Low | 18:29 | 1.41m |
| Sunday | High | 23:57 | 4.09m | Monday | Low | 07:03 | 1.38m | Monday | High | 12:29 | 3.78m |
| Monday | Low | 19:13 | 1.61m | Tuesday | High | 00:44 | 3.90m | Tuesday | Low | 07:55 | 1.53m |
| Tuesday | High | 13:23 | 3.57m | Tuesday | Low | 20:09 | 1.80m | Wednesday | High | 01:43 | 3.73m |
| Wednesday | Low | 09:00 | 1.62m | Wednesday | High | 14:34 | 3.44m | Wednesday | Low | 21:19 | 1.91m |
