Rhyl Flats wave
buoy daily averages for Apr 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
23 ft
0 — 89.7 ft
Average Wave period
6 secs
2 — 17 secs
Average Wave Direction
ENE
Average Water temperature
20 °C
46.2 — 8.9 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 20.3 | 5.1 | E | 15.7 | |
| 25.5 | 7.8 | ENE | 23.9 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.