Porthleven wave
buoy daily averages for Jul 2023 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
1 — 8.9 ft
Average Wave period
5 secs
3.5 — 6.2 secs
Average Wave Direction
SW
Average Water temperature
15 °C
14.5 — 16.4 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 4.9 | 5 | SW | 15.8 | |
| 4.9 | 4.5 | SW | 15.5 | |
| 3.7 | 4.3 | SW | 15.9 | |
| 3.4 | 4.6 | SW | 15.7 | |
| 4.8 | 5.2 | WSW | 15.3 | |
| 2.8 | 4.3 | SW | 15.0 | |
| 1.7 | 4.5 | WSW | 14.9 | |
| 2.5 | 4.5 | WSW | 15.0 | |
| 4.2 | 5 | SW | 15.1 | |
| 5.1 | 4.3 | SW | 14.5 | |
| 1.0 | 3.5 | WSW | 14.7 | |
| 1.3 | 4.1 | WSW | 15.4 | |
| 2.6 | 4.7 | WSW | 16.4 | |
| 2.7 | 4.3 | SW | 16.3 | |
| 2.8 | 4.6 | WSW | 16.3 | |
| 5.3 | 5.3 | SW | 16.1 | |
| 8.9 | 6.2 | SW | 15.8 | |
| 6.3 | 5.1 | SSW | 15.8 | |
| 2.7 | 4 | SW | 15.9 | |
| 4.0 | 4.6 | WSW | 15.6 | |
| 5.2 | 5.3 | SW | 15.9 | |
| 5.7 | 5.2 | SW | 15.8 | |
| 4.5 | 5.5 | SW | 15.6 | |
| 6.4 | 6.2 | SW | 15.3 | |
| 3.5 | 4.7 | SW | 14.9 | |
| 3.0 | 4.4 | SW | 15.2 | |
| 2.6 | 4 | WSW | 15.1 | |
| 2.4 | 3.9 | WSW | 15.1 | |
| 3.1 | 4 | WSW | 15.0 | |
| 3.0 | 4.4 | WSW | 15.0 | |
| 4.1 | 4.9 | WSW | 15.1 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.