Porthleven wave
buoy daily averages for Mar 2013 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
1.3 — 10 ft
Average Wave period
11 secs
6.4 — 16.3 secs
Average Wave Direction
SW
Average Water temperature
8 °C
7.9 — 8.8 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 5.0 | 14.9 | SW | 7.9 | |
| 5.8 | 16.3 | SW | 7.9 | |
| 3.9 | 11 | SSW | 8.1 | |
| 1.3 | 12 | SW | 8.1 | |
| 1.3 | 10.2 | SW | 8.1 | |
| 1.4 | 9.3 | SW | 8.3 | |
| 2.3 | 10.9 | SW | 8.3 | |
| 3.8 | 12.3 | SW | 8.5 | |
| 8.2 | 12.7 | SW | 8.6 | |
| 10.0 | 12 | SW | 8.6 | |
| 5.8 | 8 | SSW | 8.4 | |
| 2.1 | 8.7 | SW | 8.4 | |
| 2.8 | 7.9 | SW | 8.5 | |
| 2.9 | 8.8 | WSW | 8.3 | |
| 3.4 | 9.8 | WSW | 8.1 | |
| 7.6 | 8.8 | SW | 8.1 | |
| 6.1 | 6.4 | WSW | 8.1 | |
| 1.4 | 10.2 | WSW | 8.1 | |
| 1.4 | 12.2 | SW | 8.1 | |
| 1.7 | 10.3 | SW | 8.2 | |
| 2.9 | 11.7 | SW | 8.5 | |
| 7.1 | 13.2 | SW | 8.8 | |
| 6.7 | 10.8 | SW | 8.8 | |
| 5.5 | 10.1 | SW | 8.8 | |
| 4.4 | 12.4 | SW | 8.6 | |
| 4.3 | 12 | SW | 8.5 | |
| 2.0 | 9.3 | SSW | 8.5 | |
| 2.2 | 10.6 | SW | 8.4 | |
| 1.7 | 12.4 | SW | 8.4 | |
| 1.7 | 14 | SW | 8.3 | |
| 1.9 | 15.4 | WSW | 8.4 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.