Porthleven wave buoy monthly averages for 2018 last observation shown oldest observation available
Average Wave Height
4 ft
0.6 — 27 ft
Average Wave period
11 secs
2 — 25 secs
Average Wave Direction
SW
Average Water temperature
13 °C
7.4 — 19.6 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 7 | 11 | SW | 11.6 | |
| 6 | 12 | SW | 12.9 | |
| 3 | 11 | WSW | 14.4 | |
| 3 | 10 | WSW | 15.2 | |
| 3 | 8 | WSW | 16.2 | |
| 2 | 11 | SW | 17.4 | |
| 2 | 10 | SW | 14.7 | |
| 2 | 11 | WSW | 11.7 | |
| 5 | 11 | SW | 9.7 | |
| 5 | 11 | SW | 8.2 | |
| 4 | 12 | WSW | 9.0 | |
| 7 | 12 | WSW | 10.2 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.