Porthleven wave buoy monthly averages for 2014 last observation shown oldest observation available
Average Wave Height
4 ft
0.1 — 64.3 ft
Average Wave period
11 secs
2 — 29 secs
Average Wave Direction
SW
Average Water temperature
13 °C
9.2 — 20.1 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 5 | 10 | WSW | 11.8 | |
| 5 | 11 | SW | 13.3 | |
| 5 | 10 | SW | 15.5 | |
| 2 | 11 | SW | 16.6 | |
| 3 | 8 | SW | 16.0 | |
| 2 | 9 | SW | 16.6 | |
| 2 | 9 | SW | 14.6 | |
| 3 | 9 | WSW | 12.3 | |
| 4 | 11 | SW | 10.5 | |
| 4 | 12 | WSW | 9.5 | |
| 10 | 18 | SW | 9.3 | |
| 8 | 12 | SW | 10.0 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.