Porthleven wave buoy monthly averages for 2020 last observation shown oldest observation available
Average Wave Height
4 ft
0.5 — 41.1 ft
Average Wave period
8 secs
0 — 25 secs
Average Wave Direction
SW
Average Water temperature
13 °C
10 — 19.2 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 6 | 6 | SW | 11.1 | |
| 5 | 4 | SW | 12.7 | |
| 8 | 0 | SW | 13.7 | |
| 3 | 9 | WSW | 15.7 | |
| 3 | 8 | SW | 16.4 | |
| 3 | 9 | SW | 14.6 | |
| 3 | 9 | SW | 14.6 | |
| 3 | 11 | SW | 12.5 | |
| 3 | 11 | SW | 10.8 | |
| 4 | 11 | SW | 9.6 | |
| 9 | 11 | SW | 9.7 | |
| 6 | 11 | SW | 10.1 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.