Porthleven wave
buoy monthly averages for 2018 last observation shown
oldest observation available
Average Wave Height
4 ft
2 — 6.9 ft
Average Wave period
11 secs
8.3 — 12.2 secs
Average Wave Direction
SW
Average Water temperature
13 °C
8.2 — 17.4 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 6.6 | 11.2 | SW | 11.6 | |
| 6.3 | 11.7 | SW | 12.9 | |
| 3.2 | 11.1 | WSW | 14.4 | |
| 2.9 | 9.8 | WSW | 15.2 | |
| 2.5 | 8.3 | WSW | 16.2 | |
| 2.0 | 10.5 | SW | 17.4 | |
| 2.0 | 10.4 | SW | 14.7 | |
| 2.4 | 10.7 | WSW | 11.7 | |
| 4.7 | 10.9 | SW | 9.7 | |
| 5.0 | 11 | SW | 8.2 | |
| 3.9 | 12.2 | WSW | 9.0 | |
| 6.9 | 11.6 | WSW | 10.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.