Dads Weather Shed
| Last updated at 20:00 on Sunday 20 October 2019 |
| Porthdinllaen Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Sunday | High | 00:27 | 3.97m | Sunday | Low | 07:18 | 1.56m | Sunday | High | 12:51 | 3.91m |
| Sunday | Low | 19:58 | 1.65m | Monday | High | 01:28 | 3.71m | Monday | Low | 08:22 | 1.84m |
| Monday | High | 14:00 | 3.71m | Monday | Low | 21:15 | 1.79m | Tuesday | High | 02:54 | 3.54m |
| Tuesday | Low | 09:47 | 2.01m | Tuesday | High | 15:32 | 3.66m | Tuesday | Low | 22:46 | 1.71m |
| Wednesday | High | 04:34 | 3.62m | Wednesday | Low | 11:15 | 1.90m | Wednesday | High | 17:00 | 3.86m |
| Thursday | Low | 00:01 | 1.39m | Thursday | High | 05:48 | 3.91m | Thursday | Low | 12:24 | 1.57m |
| Thursday | High | 18:04 | 4.21m | Friday | Low | 01:00 | 0.97m | Friday | High | 06:43 | 4.26m |
| Friday | Low | 13:19 | 1.18m | Friday | High | 18:54 | 4.57m | Saturday | Low | 01:50 | 0.58m |
| Saturday | High | 07:27 | 4.57m | Saturday | Low | 14:05 | 0.80m | Saturday | High | 19:38 | 4.88m |
