Rhyl Flats wave
buoy daily averages for Jan 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.4 — 8.6 ft
Average Wave period
3 secs
2 — 5 secs
Average Wave Direction
NW
Average Water temperature
7 °C
4.2 — 8.4 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2.7 | 3.7 | WNW | 6.6 | |
| 3.4 | 3.8 | NW | 6.7 | |
| 3.9 | 3.9 | NW | 6.9 | |
| 2.8 | 3.4 | NNW | 6.9 | |
| 2.3 | 3.1 | WNW | 7.0 | |
| 2.3 | 3 | ESE | 7.0 | |
| 3.3 | 3.6 | WNW | 7.1 | |
| 5.7 | 4.2 | W | 7.0 | |
| 2.2 | 2.9 | W | 6.8 | |
| 0.7 | 2.8 | NW | 6.7 | |
| 1.1 | 2.9 | W | 6.7 | |
| 1.0 | 2.9 | WNW | 6.6 | |
| 0.9 | 2.8 | NNE | 6.7 | |
| 1.2 | 2.7 | NE | 6.7 | |
| 1.3 | 3.5 | WNW | 6.7 | |
| 1.1 | 3.2 | WNW | 6.7 | |
| 1.1 | 3.5 | WNW | 6.6 | |
| 1.7 | 3.4 | WNW | 6.6 | |
| 2.7 | 3 | SW | 6.6 | |
| 1.0 | 2.6 | SSE | 6.4 | |
| 1.1 | 2.4 | E | 6.3 | |
| 1.3 | 2.8 | NNE | 6.1 | |
| 2.2 | 3.3 | NW | 6.3 | |
| 2.0 | 3.4 | NW | 6.6 | |
| 4.8 | 4.2 | NW | 7.1 | |
| 6.4 | 4.6 | NNW | 7.1 | |
| 3.1 | 3.3 | NE | 7.3 | |
| 1.7 | 3 | NW | 7.7 | |
| 3.9 | 3.8 | NW | 7.8 | |
| 2.5 | 3.4 | NNW | 8.0 | |
| 4.3 | 4.2 | WNW | 8.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.