Porthleven wave buoy daily averages for Dec 2025 last observation shown oldest observation available Monthly averages for
Average Wave Height
9 ft
4.6 — 18.5 ft
Average Wave period
6 secs
5 — 9 secs
Average Wave Direction
SW
Average Water temperature
12 °C
11.5 — 12.4 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 7 | 6 | SW | 12.2 | |
| 8 | 5 | SW | 12.2 | |
| 6 | 6 | SW | 12.2 | |
| 9 | 8 | WSW | 12.3 | |
| 9 | 6 | SW | 12.3 | |
| 9 | 7 | SW | 12.3 | |
| 16 | 8 | SW | 12.2 | |
| 9 | 7 | SW | 12.1 | |
| 10 | 7 | SW | 12.0 | |
| 12 | 7 | WSW | 11.9 | |
| 9 | 6 | SW | 11.8 | |
| 7 | 6 | SW | 11.9 | |
| 6 | 6 | WSW | 11.9 | |
| 8 | 6 | SW | 12.1 | |
| 10 | 6 | SW | 12.3 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.