Porthleven wave
buoy daily averages for Aug 2023 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
3 ft
1 — 9.3 ft
Average Wave period
5 secs
3.2 — 6.6 secs
Average Wave Direction
SW
Average Water temperature
16 °C
14.4 — 17.6 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2.6 | 3.8 | SW | 16.1 | |
| 1.9 | 4.2 | WSW | 16.0 | |
| 1.8 | 4.1 | SW | 16.0 | |
| 1.8 | 4.2 | WSW | 15.9 | |
| 2.0 | 3.4 | WSW | 15.9 | |
| 2.0 | 3.5 | WSW | 16.0 | |
| 1.7 | 3.2 | SW | 15.9 | |
| 1.0 | 4.2 | SSW | 16.0 | |
| 1.4 | 5.3 | SW | 17.1 | |
| 2.3 | 4.9 | WSW | 17.6 | |
| 3.0 | 5.1 | WSW | 17.1 | |
| 4.0 | 5.9 | SW | 17.0 | |
| 8.7 | 6.6 | SW | 15.4 | |
| 4.8 | 5.1 | SW | 15.3 | |
| 1.2 | 5.2 | S | 15.7 | |
| 1.6 | 6.1 | SSW | 16.0 | |
| 2.3 | 5.3 | SW | 16.6 | |
| 4.7 | 5 | SW | 16.2 | |
| 4.7 | 4.9 | WSW | 16.0 | |
| 5.6 | 5.4 | WSW | 15.6 | |
| 3.6 | 5 | SW | 15.4 | |
| 1.6 | 3.6 | SW | 15.4 | |
| 1.8 | 4.2 | WSW | 15.8 | |
| 2.8 | 3.8 | WSW | 14.9 | |
| 1.8 | 4.3 | WSW | 14.9 | |
| 3.0 | 5 | WSW | 14.7 | |
| 5.8 | 4.8 | WSW | 14.4 | |
| 2.6 | 5 | WSW | 14.5 | |
| 4.9 | 5.8 | WSW | 14.9 | |
| 9.3 | 6.2 | WSW | 15.4 | |
| 4.4 | 4.8 | SW | 15.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.