Porthleven wave
buoy monthly averages for 2017 last observation shown
oldest observation available
Average Wave Height
4 ft
0.3 — 68.7 ft
Average Wave period
10 secs
2 — 29 secs
Average Wave Direction
WSW
Average Water temperature
13 °C
10 — 18.8 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 4.8 | 10.4 | SW | 11.2 | |
| 3.4 | 9.6 | WSW | 13.2 | |
| 3.0 | 9.8 | WSW | 14.6 | |
| 4.2 | 9.2 | WSW | 15.3 | |
| 2.8 | 8 | WSW | 15.6 | |
| 2.7 | 8.2 | WSW | 15.5 | |
| 3.4 | 9.3 | WSW | 14.5 | |
| 3.0 | 10.3 | SW | 12.6 | |
| 2.0 | 10.9 | SW | 11.4 | |
| 5.2 | 10.6 | WSW | 10.3 | |
| 6.4 | 11.8 | SW | 10.1 | |
| 3.9 | 10.8 | SW | 10.5 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.