Porthleven wave
buoy daily averages for Apr 2024 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
5 ft
0.7 — 13.6 ft
Average Wave period
5 secs
3.4 — 7.7 secs
Average Wave Direction
SW
Average Water temperature
11 °C
10.6 — 12 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 6.5 | 5.2 | SW | 11.8 | |
| 7.0 | 4.8 | SW | 11.9 | |
| 1.9 | 4 | WSW | 11.8 | |
| 2.1 | 5.7 | WSW | 12.0 | |
| 2.5 | 5.6 | WSW | 11.8 | |
| 1.7 | 3.7 | SW | 11.5 | |
| 1.1 | 4.2 | SW | 11.6 | |
| 0.9 | 3.4 | WSW | 11.7 | |
| 0.7 | 5 | SSW | 11.6 | |
| 0.7 | 4.5 | SW | 11.6 | |
| 1.1 | 4.3 | SW | 11.4 | |
| 1.4 | 3.6 | WSW | 11.4 | |
| 1.5 | 4.6 | WSW | 11.3 | |
| 2.3 | 3.6 | WSW | 11.2 | |
| 3.2 | 4.1 | WSW | 11.3 | |
| 5.6 | 4.9 | WSW | 11.3 | |
| 3.4 | 5.1 | WSW | 11.3 | |
| 4.3 | 5.2 | WSW | 11.7 | |
| 5.2 | 5.9 | WSW | 11.8 | |
| 5.4 | 5.5 | WSW | 11.4 | |
| 5.7 | 5 | SW | 11.2 | |
| 6.7 | 5.3 | WSW | 11.2 | |
| 10.0 | 6.5 | SW | 11.3 | |
| 12.8 | 7 | SW | 11.2 | |
| 13.6 | 7.7 | SW | 11.0 | |
| 11.6 | 7.2 | SW | 11.0 | |
| 9.1 | 6 | SW | 10.9 | |
| 9.4 | 6.5 | SW | 10.9 | |
| 8.4 | 6.1 | SW | 10.7 | |
| 4.6 | 5 | SW | 10.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.