Rhyl Flats wave
buoy daily averages for Dec 2024 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
0.5 — 13.2 ft
Average Wave period
4 secs
2.3 — 6.4 secs
Average Wave Direction
NW
Average Water temperature
9 °C
7.7 — 9.8 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 9.5 | 5.4 | WNW | 8.8 | |
| 5.4 | 4.3 | WNW | 8.5 | |
| 3.8 | 3.8 | WNW | 8.5 | |
| 6.8 | 4.8 | NW | 8.7 | |
| 3.7 | 4 | W | 8.7 | |
| 1.7 | 3.1 | WSW | 8.6 | |
| 3.3 | 3.6 | WNW | 8.5 | |
| 3.6 | 3.5 | WNW | 8.4 | |
| 3.6 | 3.6 | WNW | 8.3 | |
| 0.5 | 2.8 | NNW | 8.2 | |
| 0.5 | 2.3 | NE | 8.2 | |
| 1.0 | 2.3 | NE | 7.7 | |
| 2.1 | 2.9 | NNE | 8.0 | |
| 4.1 | 3.9 | N | 8.2 | |
| 9.3 | 5.3 | NNW | 9.1 | |
| 13.2 | 6.4 | NW | 9.8 | |
| 4.9 | 4 | WNW | 9.6 | |
| 4.0 | 3.8 | WNW | 9.5 | |
| 2.1 | 2.9 | W | 9.5 | |
| 1.3 | 2.8 | NW | 9.6 | |
| 4.8 | 4.3 | NW | 9.7 | |
| 1.5 | 3 | W | 9.7 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.