Porthleven wave
buoy monthly averages for 2020 last observation shown
oldest observation available
Average Wave Height
4 ft
2.5 — 8.5 ft
Average Wave period
8 secs
0 — 11.4 secs
Average Wave Direction
SW
Average Water temperature
13 °C
9.6 — 16.4 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 6.0 | 5.7 | SW | 11.1 | |
| 5.2 | 4 | SW | 12.7 | |
| 7.5 | 0 | SW | 13.7 | |
| 2.5 | 8.8 | WSW | 15.7 | |
| 3.1 | 8.3 | SW | 16.4 | |
| 2.6 | 8.9 | SW | 14.6 | |
| 2.5 | 8.6 | SW | 14.6 | |
| 2.5 | 10.9 | SW | 12.5 | |
| 2.5 | 11.4 | SW | 10.8 | |
| 4.4 | 10.9 | SW | 9.6 | |
| 8.5 | 11.3 | SW | 9.7 | |
| 6.2 | 11.2 | SW | 10.1 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.