Greenwich wave buoy monthly averages for 2020 last observation shown oldest observation available
Average Wave Height
3 ft
0.3 — 13.8 ft
Average Wave period
6 secs
3 — 26 secs
Average Water temperature
13 °C
9.1 — 20.5 °C
Average Wind
W, 12 mph
0 — 49 mph
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 3.7 | 6.2 | W | 15 | 11.9 | |
| 5.0 | 6.3 | W | 8 | 14.4 | |
| 2.5 | 5.5 | WNW | 13 | 15.7 | |
| 1.4 | 5.2 | WNW | 11 | 17.6 | |
| 3.1 | 5.5 | NNE | 14 | 17.7 | |
| 1.7 | 7.2 | WNW | 9 | 15.8 | |
| 0.8 | 5.8 | SSE | 5 | 14.3 | |
| 1.4 | 6.3 | NNW | 5 | 11.9 | |
| 2.2 | 5.6 | ENE | 4 | 9.8 | |
| 4.6 | 6.4 | SSW | 7 | 9.4 | |
| 6.7 | 7.1 | WSW | 22 | 9.8 | |
| 4.2 | 6.8 | SW | 25 | 10.7 |
Realtime data displayed on this page is from the Met
Office
Marine observations.