Porthleven wave
buoy daily averages for May 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
1 ft
0.6 — 2.4 ft
Average Wave period
5 secs
3 — 9 secs
Average Wave Direction
SW
Average Water temperature
13 °C
12 — 14.8 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 1.3 | 5.1 | SSW | 13.9 | |
| 1.5 | 4.4 | SSW | 13.9 | |
| 1.3 | 6.6 | SW | 14.0 | |
| 1.4 | 6.6 | SSW | 13.7 | |
| 1.4 | 6.3 | SW | 13.6 | |
| 1.0 | 5.8 | S | 14.0 | |
| 0.8 | 4.9 | SE | 13.7 | |
| 0.9 | 5.7 | SW | 13.6 | |
| 0.9 | 5.3 | WSW | 13.1 | |
| 0.8 | 4.4 | WSW | 12.8 | |
| 1.3 | 4.2 | SW | 12.5 | |
| 1.1 | 4.5 | WSW | 12.5 | |
| 2.1 | 5 | SW | 12.9 | |
| 1.3 | 4.1 | SW | 12.3 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.