Greenwich wave buoy observations on Thu, Oct 23, 2025 last observation shown oldest observation available Daily averages for
| Hour | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) | 
|---|---|---|---|---|---|
| 9.5 | 8 | WNW | 33 | 15.3 | |
| 9.2 | 8 | WNW | 36 | 15.3 | |
| 8.9 | 7 | WNW | 37 | 15.3 | |
| 8.5 | 7 | WNW | 40 | 15.4 | |
| 9.5 | 7 | WNW | 44 | 15.5 | |
| 8.9 | 7 | WNW | 48 | 15.5 | |
| 7.5 | 7 | WNW | 33 | 15.6 | |
| 7.5 | 7 | W | 30 | 15.6 | |
| 7.5 | 7 | W | 31 | 15.6 | |
| 7.2 | 7 | WNW | 29 | 15.5 | |
| 7.2 | 7 | WNW | 37 | 15.5 | |
| 7.2 | 7 | WNW | 38 | 15.5 | |
| 6.2 | 6 | WNW | 39 | 15.5 | |
| 6.2 | 6 | WNW | 44 | 15.6 | |
| 6.6 | 6 | WNW | 43 | 15.6 | |
| 7.9 | 6 | NW | 43 | 15.7 | |
| 7.2 | 7 | WNW | 40 | 15.8 | |
| 8.9 | 7 | WNW | 43 | 15.8 | |
| 8.2 | 8 | NW | 36 | 15.9 | |
| 10.8 | 8 | SW | 40 | 15.9 | |
| 8.5 | 7 | SSW | 47 | 15.9 | |
| 5.2 | 6 | SSW | 43 | 15.9 | |
| 4.6 | 6 | SW | 43 | 15.9 | |
| 4.6 | 6 | SW | 33 | 15.9 | 
 Realtime data displayed on this page is from the Met
                Office
                Marine observations.