Porthleven wave
buoy daily averages for Feb 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
5 ft
0.8 — 15.7 ft
Average Wave period
6 secs
4 — 9 secs
Average Wave Direction
SW
Average Water temperature
10 °C
9.6 — 10.7 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 1.8 | 6.7 | WSW | 9.9 | |
| 2.9 | 6.3 | WSW | 10.0 | |
| 6.1 | 5.2 | SW | 10.1 | |
| 6.6 | 6.4 | SW | 10.2 | |
| 10.9 | 7.8 | SW | 10.2 | |
| 10.6 | 6.6 | SW | 10.0 | |
| 8.4 | 7.5 | SW | 10.2 | |
| 12.4 | 7.4 | SW | 10.0 | |
| 9.5 | 6.2 | SW | 9.9 | |
| 6.9 | 6.5 | SW | 9.9 | |
| 6.3 | 7.2 | WSW | 9.8 | |
| 3.8 | 5.6 | SW | 9.8 | |
| 4.7 | 5.9 | SW | 9.9 | |
| 5.4 | 6.4 | SW | 9.9 | |
| 5.0 | 5.4 | SW | 9.8 | |
| 3.7 | 5.6 | WSW | 9.8 | |
| 2.7 | 5.2 | SSW | 9.8 | |
| 1.5 | 5.2 | SW | 9.8 | |
| 1.2 | 6.1 | WSW | 9.8 | |
| 1.5 | 7.3 | WSW | 9.9 | |
| 1.6 | 8.1 | WSW | 9.7 | |
| 1.5 | 6.8 | WSW | 10.0 | |
| 3.1 | 6.8 | WSW | 10.1 | |
| 6.1 | 7.4 | WSW | 10.0 | |
| 9.2 | 6.5 | SW | 10.2 | |
| 6.6 | 6.7 | WSW | 10.0 | |
| 7.0 | 6.1 | SW | 10.0 | |
| 4.0 | 5.3 | SW | 9.8 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.