Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Wednesday | High | 02:50 | 3.82m | Wednesday | Low | 09:39 | 1.64m | Wednesday | High | 15:13 | 4.06m |
| Wednesday | Low | 22:28 | 1.48m | Thursday | High | 04:06 | 3.76m | Thursday | Low | 10:55 | 1.70m |
| Thursday | High | 16:35 | 3.97m | Thursday | Low | 23:42 | 1.50m | Friday | High | 05:25 | 3.85m |
| Friday | Low | 12:10 | 1.59m | Friday | High | 17:55 | 4.04m | Saturday | Low | 00:52 | 1.40m |
| Saturday | High | 06:32 | 4.10m | Saturday | Low | 13:20 | 1.35m | Saturday | High | 19:03 | 4.25m |
| Sunday | Low | 01:53 | 1.20m | Sunday | High | 07:30 | 4.43m | Sunday | Low | 14:20 | 1.02m |
| Sunday | High | 20:01 | 4.50m | Monday | Low | 02:47 | 0.98m | Monday | High | 08:20 | 4.76m |
| Monday | Low | 15:14 | 0.71m | Monday | High | 20:50 | 4.70m | Tuesday | Low | 03:35 | 0.78m |
| Tuesday | High | 09:05 | 5.03m | Tuesday | Low | 16:01 | 0.48m | Tuesday | High | 21:36 | 4.82m |
