Porthleven wave
buoy monthly averages for 2025 last observation shown
oldest observation available
Average Wave Height
4 ft
0.6 — 42 ft
Average Wave period
6 secs
2 — 14 secs
Average Wave Direction
SW
Average Water temperature
13 °C
10 — 19.5 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2.5 | 4.9 | SW | 16.1 | |
| 2.8 | 4.7 | SW | 15.2 | |
| 2.1 | 5.1 | SW | 14.1 | |
| 2.8 | 5.3 | SW | 11.5 | |
| 2.6 | 5.9 | SW | 10.3 | |
| 5.4 | 6.4 | SW | 9.9 | |
| 6.7 | 6.8 | SW | 10.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.