Dads Weather Shed
| Last updated at 22:00 on Sunday 18 August 2019 |
| Porthdinllaen Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Sunday | Low | 05:15 | 0.80m | Sunday | High | 10:39 | 4.17m | Sunday | Low | 17:24 | 0.96m |
| Sunday | High | 22:49 | 4.47m | Monday | Low | 05:48 | 0.86m | Monday | High | 11:11 | 4.11m |
| Monday | Low | 17:58 | 1.06m | Monday | High | 23:23 | 4.37m | Tuesday | Low | 06:22 | 0.97m |
| Tuesday | High | 11:45 | 4.02m | Tuesday | Low | 18:33 | 1.21m | Wednesday | High | 00:00 | 4.23m |
| Wednesday | Low | 06:57 | 1.13m | Wednesday | High | 12:22 | 3.89m | Wednesday | Low | 19:12 | 1.40m |
| Thursday | High | 00:38 | 4.05m | Thursday | Low | 07:37 | 1.32m | Thursday | High | 13:03 | 3.73m |
| Thursday | Low | 19:56 | 1.61m | Friday | High | 01:24 | 3.85m | Friday | Low | 08:24 | 1.53m |
| Friday | High | 13:54 | 3.57m | Friday | Low | 20:53 | 1.81m | Saturday | High | 02:21 | 3.63m |
| Saturday | Low | 09:25 | 1.73m | Saturday | High | 15:04 | 3.44m | Saturday | Low | 22:07 | 1.93m |
