Rhyl Flats wave
buoy daily averages for Mar 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
8 ft
0 — 108.7 ft
Average Wave period
4 secs
2 — 17 secs
Average Wave Direction
NNW
Average Water temperature
10 °C
7.1 — 9.4 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 34.8 | 7.6 | N | 23.0 | |
| 30.7 | 6.7 | WNW | 18.3 | |
| 21.6 | 5.9 | WSW | 16.5 | |
| 43.1 | 9.1 | W | 18.8 | |
| 11.9 | 4.2 | W | 9.7 | |
| 24.0 | 5.4 | W | 17.1 | |
| 9.7 | 4 | WNW | 10.7 | |
| 31.0 | 6.7 | NW | 19.7 | |
| 3.3 | 4.3 | NW | 9.4 | |
| 0.8 | 2.6 | NE | 7.7 | |
| 1.3 | 2.6 | E | 7.4 | |
| 0.7 | 2.6 | ENE | 7.3 | |
| 1.0 | 2.8 | ENE | 7.3 | |
| 1.6 | 2.6 | ENE | 7.3 | |
| 1.6 | 2.7 | ENE | 7.3 | |
| 1.0 | 2.7 | NNW | 7.3 | |
| 1.0 | 2.7 | N | 7.3 | |
| 0.9 | 2.9 | N | 7.3 | |
| 2.4 | 3.5 | NNW | 7.4 | |
| 3.5 | 4 | NNW | 7.5 | |
| 2.3 | 3.1 | N | 7.6 | |
| 1.6 | 3 | N | 7.8 | |
| 0.9 | 2.6 | NE | 7.8 | |
| 0.8 | 2.4 | E | 7.6 | |
| 0.8 | 3 | NNW | 7.5 | |
| 1.4 | 3.1 | WSW | 7.4 | |
| 2.4 | 3.5 | WNW | 7.3 | |
| 1.6 | 3.1 | WNW | 7.3 | |
| 1.4 | 3 | WNW | 7.3 | |
| 0.9 | 2.6 | NW | 7.3 | |
| 0.7 | 2.9 | NW | 7.3 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.