Porthleven wave
buoy daily averages for Sep 2013 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
3 ft
1 — 4.9 ft
Average Wave period
9 secs
5.5 — 13.2 secs
Average Wave Direction
WSW
Average Water temperature
15 °C
14.8 — 16.5 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2.1 | 8.4 | SW | 15.5 | |
| 3.2 | 9.8 | SW | 15.3 | |
| 4.8 | 11.1 | SW | 15.1 | |
| 3.8 | 9.9 | SW | 14.8 | |
| 4.0 | 10 | SW | 14.9 | |
| 3.2 | 9.8 | SW | 14.8 | |
| 3.2 | 11.5 | WSW | 14.8 | |
| 2.7 | 12 | WSW | 14.9 | |
| 2.0 | 11.1 | WSW | 15.4 | |
| 2.1 | 8.4 | WSW | 15.3 | |
| 2.3 | 8.3 | WSW | 15.1 | |
| 3.3 | 7 | WSW | 15.1 | |
| 4.0 | 8.8 | WSW | 15.1 | |
| 4.9 | 8.9 | WSW | 15.1 | |
| 4.5 | 9.7 | WSW | 15.1 | |
| 4.1 | 7.9 | WSW | 15.2 | |
| 1.8 | 9 | WSW | 15.3 | |
| 2.8 | 5.5 | WSW | 15.4 | |
| 1.8 | 5.7 | WSW | 15.4 | |
| 1.2 | 9.9 | SW | 15.3 | |
| 1.6 | 7.5 | WSW | 15.3 | |
| 4.1 | 7.5 | SW | 15.5 | |
| 2.3 | 6 | WSW | 15.4 | |
| 2.0 | 8.3 | WSW | 15.5 | |
| 1.9 | 10.2 | WSW | 15.6 | |
| 1.5 | 10.4 | WSW | 16.1 | |
| 1.1 | 13.2 | SW | 16.3 | |
| 1.0 | 12.8 | SSW | 16.5 | |
| 1.2 | 12.1 | WSW | 16.1 | |
| 1.4 | 11.7 | WSW | 15.7 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.