Rhyl Flats wave
buoy daily averages for Apr 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
34 ft
0 — 90.9 ft
Average Wave period
8 secs
2 — 17 secs
Average Wave Direction
NE
Average Water temperature
16 °C
46.2 — 9.1 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 63.1 | 12.9 | ENE | 12.4 | |
| 28.0 | 6.8 | N | 13.4 | |
| 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.