Perranporth wave buoy daily averages for May 2025 last observation shown oldest observation available Monthly averages for
Average Wave Height
 3 ft 
 0.9 — 10.1 ft
   Average Wave period
 5 secs 
 3 — 9 secs
   Average Wave Direction
 WNW 
  Average Water temperature
 14 °C 
 12.2 — 16.1 °C
   | Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) | 
|---|---|---|---|---|
| 3.5 | 5 | W | 15.5 | |
| 5.0 | 5.9 | W | 15.5 | |
| 5.3 | 5.2 | W | 15.2 | |
| 6.1 | 5.6 | W | 15.0 | |
| 8.4 | 6 | W | 14.8 | |
| 7.8 | 5.8 | W | 14.9 | |
| 8.1 | 5.6 | W | 15.0 | |
| 3.9 | 4.1 | W | 15.1 | |
| 2.3 | 3.8 | W | 15.1 | |
| 2.8 | 4 | W | 15.0 | |
| 2.7 | 4.1 | W | 14.5 | |
| 2.0 | 5.4 | W | 14.6 | |
| 1.7 | 5.5 | W | 14.3 | |
| 2.2 | 6 | W | 14.4 | |
| 2.1 | 5.9 | W | 14.1 | |
| 1.9 | 5 | WNW | 14.0 | |
| 1.3 | 3.8 | WNW | 13.9 | |
| 1.2 | 5.3 | W | 13.9 | |
| 1.9 | 5.9 | W | 13.4 | |
| 3.0 | 5.5 | WNW | 13.3 | |
| 2.6 | 6.5 | W | 13.1 | |
| 2.1 | 6.5 | W | 13.0 | |
| 1.8 | 4.8 | W | 12.9 | |
| 1.6 | 3.9 | WNW | 12.9 | |
| 1.8 | 3.9 | WNW | 12.8 | |
| 2.5 | 4.1 | WNW | 12.6 | |
| 2.8 | 4 | NNW | 12.6 | |
| 2.8 | 4.3 | NW | 12.7 | |
| 3.9 | 4.4 | NW | 12.7 | |
| 3.1 | 6.1 | WNW | 12.8 | |
| 2.1 | 7.4 | W | 12.5 | 
 Realtime data displayed on this page is from the Regional
                Coastal Monitoring Programme.