Porthleven wave buoy monthly averages for 2021 last observation shown oldest observation available
Average Wave Height
4 ft
0.5 — 29.3 ft
Average Wave period
5 secs
2 — 13 secs
Average Wave Direction
SW
Average Water temperature
13 °C
10 — 20.9 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 5 | 5 | WSW | 11.5 | |
| 3 | 5 | WSW | 13.3 | |
| 5 | 6 | SW | 15.0 | |
| 2 | 5 | SW | 17.1 | |
| 2 | 5 | SW | 15.8 | |
| 3 | 5 | SW | 16.2 | |
| 2 | 5 | WSW | 14.4 | |
| 5 | 5 | WSW | 11.8 | |
| 2 | 5 | SW | 10.3 | |
| 4 | 6 | WSW | 9.7 | |
| 7 | 7 | SW | 9.4 | |
| 5 | 6 | SW | 9.6 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.