Porthleven wave
buoy daily averages for Aug 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
1 ft
0.9 — 2 ft
Average Wave period
5 secs
3 — 6 secs
Average Wave Direction
WSW
Average Water temperature
16 °C
15.1 — 16.1 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 1.0 | 4.8 | SW | 15.4 | |
| 1.5 | 4.4 | WSW | 15.7 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.