Sevenstones wave buoy monthly averages for 2018 last observation shown Data available: to
Average Wave Height
6 ft
1 — 12.1 ft
Average Wave period
8 secs
5 — 15 secs
Average Water temperature
13 °C
8.1 — 20.2 °C
Average Wind
WNW, 20 mph
2 — 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) |
|---|---|---|---|---|---|
| 9 | 9 | WSW | 26 | 10.5 | |
| 8 | 9 | NNE | 26 | 9.6 | |
| 7 | 8 | W | 22 | 8.9 | |
| 6 | 9 | S | 19 | 10.0 | |
| 5 | 9 | NNE | 14 | 11.6 | |
| 4 | 8 | NNE | 15 | 14.9 | |
| 3 | 8 | NW | 14 | 18.1 | |
| 4 | 7 | W | 16 | 17.5 | |
| 5 | 8 | W | 18 | 15.5 | |
| 6 | 8 | N | 19 | 13.8 | |
| 8 | 9 | SSE | 24 | 12.6 | |
| 7 | 9 | SW | 21 | 11.6 |