Rhyl Flats wave
buoy daily averages for Jan 2015 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
0.7 — 9 ft
Average Wave period
5 secs
3 — 7.6 secs
Average Wave Direction
WNW
Average Water temperature
7 °C
6.2 — 8.8 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 9.0 | 7.5 | NNW | 6.4 | |
| 5.9 | 6.8 | NW | 6.4 | |
| 7.4 | 7.6 | WNW | 6.3 | |
| 6.9 | 6.9 | WNW | 6.3 | |
| 2.9 | 5.3 | NW | 6.2 | |
| 3.7 | 5.5 | WNW | 6.3 | |
| 2.4 | 4.5 | WNW | 6.3 | |
| 4.7 | 6.2 | NW | 6.4 | |
| 2.6 | 3.3 | SW | 6.4 | |
| 0.7 | 3.5 | E | 6.5 | |
| 1.3 | 3.2 | NE | 6.6 | |
| 1.3 | 3 | E | 6.7 | |
| 2.1 | 4.4 | NNW | 7.0 | |
| 4.1 | 5.8 | NW | 7.3 | |
| 4.2 | 5.8 | WNW | 7.5 | |
| 5.1 | 6.6 | NW | 7.6 | |
| 5.5 | 5.4 | W | 7.7 | |
| 3.8 | 4.9 | W | 7.8 | |
| 4.1 | 5.5 | WNW | 8.1 | |
| 5.0 | 6.1 | WNW | 8.3 | |
| 6.5 | 6.7 | WNW | 8.4 | |
| 7.7 | 7.2 | WNW | 8.7 | |
| 5.4 | 6 | WNW | 8.3 | |
| 3.7 | 5.4 | WNW | 8.2 | |
| 3.8 | 4.4 | WSW | 8.2 | |
| 3.1 | 4.9 | W | 8.4 | |
| 1.7 | 3.7 | SW | 8.4 | |
| 1.1 | 3.4 | NE | 8.5 | |
| 1.9 | 5 | NW | 8.6 | |
| 6.3 | 7.2 | WNW | 8.8 | |
| 4.1 | 4.3 | WSW | 8.7 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.