Sevenstones wave buoy monthly averages for 2025 last observation shown Data available: to
Average Wave Height
6 ft
1 — 11.8 ft
Average Wave period
8 secs
5 — 15 secs
Average Water temperature
14 °C
10 — 20.1 °C
Average Wind
SSW, 19 mph
1 — 52 mph
Chart showing grouped wave observations for Sevenstones. Use the table on this page for a text version of the same measurements.
About Sevenstones wave buoy
Sevenstones (WMO 62107) is an offshore station off Land’s End in the Western Approaches (50.0633°N, 6.0733°W). The site is historically important for navigation and is now used to observe Atlantic swell and storms before they reach the south-west of England. It reports directional wave parameters and marine weather (wind/pressure/temperature) for forecasting and maritime safety.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 7 | 9 | SSE | 20 | 11.0 | |
| 7 | 9 | ESE | 23 | 10.4 | |
| 5 | 8 | ENE | 17 | 10.8 | |
| 5 | 8 | ESE | 17 | 11.5 | |
| 4 | 8 | NNE | 15 | 14.0 | |
| 4 | 8 | WSW | 15 | 15.7 | |
| 4 | 7 | WNW | 15 | 17.2 | |
| 4 | 7 | W | 16 | 17.7 | |
| 6 | 8 | SW | 18 | 15.9 | |
| 6 | 8 | SW | 19 | 14.3 | |
| 7 | 8 | WSW | 22 | 13.1 | |
| 8 | 8 | SW | 27 | 11.7 |