Porthleven wave buoy monthly averages for 2013 last observation shown oldest observation available
Average Wave Height
4 ft
0.4 — 41.4 ft
Average Wave period
10 secs
2 — 25 secs
Average Wave Direction
SW
Average Water temperature
12 °C
7.3 — 18.8 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 8 | 12 | SW | 11.2 | |
| 4 | 11 | WSW | 12.5 | |
| 5 | 10 | SW | 15.1 | |
| 3 | 9 | WSW | 15.4 | |
| 3 | 9 | WSW | 16.3 | |
| 2 | 10 | SW | 15.9 | |
| 3 | 9 | SW | 12.7 | |
| 3 | 10 | WSW | 10.5 | |
| 4 | 11 | WSW | 8.6 | |
| 4 | 11 | SW | 8.3 | |
| 4 | 12 | WSW | 9.3 | |
| 6 | 12 | SW | 10.1 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.