Porthleven wave buoy monthly averages for 2019 last observation shown oldest observation available
Average Wave Height
4 ft
0.4 — 81.2 ft
Average Wave period
10 secs
2 — 25 secs
Average Wave Direction
SW
Average Water temperature
13 °C
10 — 19.1 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 7.2 | 11.5 | SW | 11.0 | |
| 5.3 | 10.8 | SW | 12.3 | |
| 4.9 | 10.6 | SW | 14.6 | |
| 3.5 | 9.5 | SW | 15.7 | |
| 3.4 | 8.2 | WSW | 16.7 | |
| 2.3 | 9.3 | SW | 16.8 | |
| 2.4 | 8.2 | SW | 13.9 | |
| 2.6 | 10.3 | WSW | 12.4 | |
| 3.4 | 10.5 | SW | 11.0 | |
| 5.3 | 11.2 | WSW | 10.3 | |
| 6.4 | 11.7 | SW | 9.6 | |
| 3.4 | 11.1 | WSW | 10.5 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.