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) |
|---|---|---|---|---|
| 5 | 10 | SW | 11.2 | |
| 3 | 10 | WSW | 13.2 | |
| 3 | 10 | WSW | 14.6 | |
| 4 | 9 | WSW | 15.3 | |
| 3 | 8 | WSW | 15.6 | |
| 3 | 8 | WSW | 15.5 | |
| 3 | 9 | WSW | 14.5 | |
| 3 | 10 | SW | 12.6 | |
| 2 | 11 | SW | 11.4 | |
| 5 | 11 | WSW | 10.3 | |
| 6 | 12 | SW | 10.1 | |
| 4 | 11 | SW | 10.5 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.