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 | 05:51 | 0.94m | Thursday | High | 11:15 | 4.65m | Thursday | Low | 18:11 | 0.92m |
| Thursday | High | 23:33 | 4.28m | Friday | Low | 06:24 | 1.08m | Friday | High | 11:49 | 4.49m |
| Friday | Low | 18:44 | 1.08m | Saturday | High | 00:07 | 4.13m | Saturday | Low | 06:59 | 1.27m |
| Saturday | High | 12:25 | 4.28m | Saturday | Low | 19:20 | 1.28m | Sunday | High | 00:43 | 3.93m |
| Sunday | Low | 07:38 | 1.49m | Sunday | High | 13:04 | 4.02m | Sunday | Low | 20:01 | 1.52m |
| Monday | High | 01:27 | 3.71m | Monday | Low | 08:26 | 1.73m | Monday | High | 13:54 | 3.74m |
| Monday | Low | 20:55 | 1.77m | Tuesday | High | 02:24 | 3.48m | Tuesday | Low | 09:31 | 1.93m |
| Tuesday | High | 15:03 | 3.48m | Tuesday | Low | 22:07 | 1.96m | Wednesday | High | 03:51 | 3.34m |
| Wednesday | Low | 10:57 | 1.99m | Wednesday | High | 16:40 | 3.40m | Wednesday | Low | 23:33 | 1.96m |
