Sevenstones wave buoy monthly averages for 2021 last observation shown Data available: to
Average Wave Height
5 ft
0 — 10.5 ft
Average Wave period
8 secs
0 — 16 secs
Average Water temperature
13 °C
9.1 — 19.5 °C
Average Wind
WNW, 15 mph
0 — 53 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) |
|---|---|---|---|---|---|
| 6 | 8 | NW | 23 | 10.1 | |
| 8 | 9 | E | 23 | 9.8 | |
| 5 | 9 | NE | 17 | 10.0 | |
| 3 | 7 | NE | 18 | 10.4 | |
| 5 | 8 | WSW | 18 | 11.1 | |
| 4 | 8 | NNW | 13 | 14.2 | |
| 3 | 7 | WNW | 14 | 16.4 | |
| 3 | 7 | W | 15 | 16.5 | |
| 4 | 8 | WSW | 14 | 16.6 | |
| 6 | 8 | SW | 18 | 14.6 | |
| 6 | 8 | W | 10 | 13.1 | |
| 7 | 8 | - | - | 11.7 |