Dads Weather Shed
| Last updated at 02:00 on Wednesday 11 December 2019 |
| Porthdinllaen Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Wednesday | Low | 02:46 | 1.05m | Wednesday | High | 08:22 | 4.40m | Wednesday | Low | 15:08 | 1.08m |
| Wednesday | High | 20:35 | 4.45m | Thursday | Low | 03:20 | 0.93m | Thursday | High | 08:56 | 4.55m |
| Thursday | Low | 15:44 | 0.93m | Thursday | High | 21:11 | 4.53m | Friday | Low | 03:56 | 0.86m |
| Friday | High | 09:31 | 4.64m | Friday | Low | 16:23 | 0.84m | Friday | High | 21:51 | 4.55m |
| Saturday | Low | 04:35 | 0.86m | Saturday | High | 10:09 | 4.68m | Saturday | Low | 17:05 | 0.81m |
| Saturday | High | 22:32 | 4.50m | Sunday | Low | 05:18 | 0.92m | Sunday | High | 10:50 | 4.64m |
| Sunday | Low | 17:52 | 0.85m | Sunday | High | 23:18 | 4.38m | Monday | Low | 06:05 | 1.06m |
| Monday | High | 11:38 | 4.55m | Monday | Low | 18:43 | 0.95m | Tuesday | High | 00:11 | 4.22m |
| Tuesday | Low | 06:58 | 1.25m | Tuesday | High | 12:31 | 4.41m | Tuesday | Low | 19:41 | 1.08m |
