It is St. Tiburtius Day today (14th April) traditionally when the first Cuckoo is heard
Tide Times
Tide at Caernarfon
17 May 2021
| Time | Type | Height |
| 01:40 | high | 4.5m |
| 08:35 | low | 1.5m |
| 14:10 | high | 4.2m |
| 20:45 | low | 1.7m |
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