Porthleven wave
buoy daily averages for Jun 2023 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
1 — 3.6 ft
Average Wave period
5 secs
2.8 — 7.2 secs
Average Wave Direction
SW
Average Water temperature
16 °C
14.4 — 18 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 3.5 | 4.3 | WSW | 15.1 | |
| 2.1 | 4.1 | WSW | 15.6 | |
| 2.3 | 4 | WSW | 17.0 | |
| 2.9 | 4.1 | WSW | 16.9 | |
| 3.6 | 5 | WSW | 16.3 | |
| 3.1 | 4.4 | WSW | 17.9 | |
| 3.4 | 5 | WSW | 17.9 | |
| 2.7 | 4.3 | SW | 17.6 | |
| 1.5 | 4.1 | SSW | 17.9 | |
| 1.8 | 4 | SW | 17.9 | |
| 1.8 | 4.3 | SW | 18.0 | |
| 2.5 | 4.4 | SW | 17.7 | |
| 2.2 | 5.3 | WSW | 16.9 | |
| 2.3 | 5.5 | WSW | 16.7 | |
| 2.0 | 6.4 | WSW | 17.0 | |
| 1.5 | 6.1 | WSW | 16.6 | |
| 1.2 | 5.6 | SW | 16.2 | |
| 1.1 | 5.3 | SW | 15.6 | |
| 1.7 | 5.1 | SW | 15.8 | |
| 2.4 | 5.3 | SW | 15.4 | |
| 2.8 | 7.2 | SW | 14.8 | |
| 2.2 | 4.4 | SSW | 14.4 | |
| 2.0 | 2.8 | SE | 14.5 | |
| 1.3 | 3.3 | S | 14.8 | |
| 1.1 | 4.1 | S | 14.9 | |
| 1.1 | 4 | S | 14.8 | |
| 1.0 | 4.5 | S | 14.7 | |
| 1.0 | 4.5 | S | 14.6 | |
| 1.2 | 4.1 | S | 14.5 | |
| 1.2 | 3.9 | S | 14.5 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.