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 | High | 04:13 | 4.00m | Tuesday | Low | 11:22 | 1.23m | Tuesday | High | 17:18 | 3.73m |
| Tuesday | Low | 23:49 | 1.61m | Wednesday | High | 05:24 | 4.06m | Wednesday | Low | 12:25 | 1.16m |
| Wednesday | High | 18:15 | 3.87m | Thursday | Low | 00:48 | 1.45m | Thursday | High | 06:20 | 4.16m |
| Thursday | Low | 13:18 | 1.08m | Thursday | High | 19:01 | 4.03m | Friday | Low | 01:37 | 1.28m |
| Friday | High | 07:07 | 4.26m | Friday | Low | 14:02 | 1.01m | Friday | High | 19:40 | 4.17m |
| Saturday | Low | 02:20 | 1.13m | Saturday | High | 07:47 | 4.33m | Saturday | Low | 14:39 | 0.97m |
| Saturday | High | 20:14 | 4.30m | Sunday | Low | 02:58 | 1.02m | Sunday | High | 08:25 | 4.37m |
| Sunday | Low | 15:14 | 0.95m | Sunday | High | 20:47 | 4.40m | Monday | Low | 03:34 | 0.97m |
| Monday | High | 09:00 | 4.37m | Monday | Low | 15:46 | 0.98m | Monday | High | 21:18 | 4.45m |
