Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Saturday | Low | 03:35 | 0.63m | Saturday | High | 09:12 | 4.62m | Saturday | Low | 15:55 | 0.76m |
| Saturday | High | 21:25 | 4.94m | Sunday | Low | 04:23 | 0.50m | Sunday | High | 09:57 | 4.64m |
| Sunday | Low | 16:40 | 0.73m | Sunday | High | 22:09 | 5.01m | Monday | Low | 05:10 | 0.48m |
| Monday | High | 10:40 | 4.57m | Monday | Low | 17:24 | 0.78m | Monday | High | 22:51 | 4.96m |
| Tuesday | Low | 05:55 | 0.56m | Tuesday | High | 11:24 | 4.43m | Tuesday | Low | 18:07 | 0.89m |
| Tuesday | High | 23:35 | 4.82m | Wednesday | Low | 06:39 | 0.73m | Wednesday | High | 12:07 | 4.23m |
| Wednesday | Low | 18:50 | 1.08m | Thursday | High | 00:17 | 4.60m | Thursday | Low | 07:21 | 0.96m |
| Thursday | High | 12:50 | 4.00m | Thursday | Low | 19:33 | 1.31m | Friday | High | 01:01 | 4.32m |
| Friday | Low | 08:05 | 1.22m | Friday | High | 13:33 | 3.77m | Friday | Low | 20:20 | 1.57m |
