Porthleven wave
buoy monthly averages for 2021 last observation shown
oldest observation available
Average Wave Height
4 ft
1.5 — 6.8 ft
Average Wave period
5 secs
4.5 — 6.7 secs
Average Wave Direction
SW
Average Water temperature
13 °C
9.4 — 17.1 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 5.2 | 5.4 | WSW | 11.5 | |
| 2.9 | 5.4 | WSW | 13.3 | |
| 4.5 | 5.7 | SW | 15.0 | |
| 2.4 | 5.3 | SW | 17.1 | |
| 2.4 | 4.7 | SW | 15.8 | |
| 2.5 | 4.8 | SW | 16.2 | |
| 2.0 | 5 | WSW | 14.4 | |
| 4.7 | 5.4 | WSW | 11.8 | |
| 1.5 | 4.5 | SW | 10.3 | |
| 4.2 | 6.2 | WSW | 9.7 | |
| 6.8 | 6.7 | SW | 9.4 | |
| 4.8 | 5.9 | SW | 9.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.