Greenwich wave
buoy daily averages for Dec 2024 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
5 ft
0.9 — 13 ft
Average Wave period
7 secs
5.1 — 9.4 secs
Average Water temperature
12 °C
11.6 — 13.5 °C
Average Wind
-, 0 mph
0 — 0 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 9.2 | 7.4 | - | 0 | 11.8 | |
| 6.5 | 6.8 | - | 0 | 11.9 | |
| 4.3 | 6.3 | - | 0 | 11.7 | |
| 6.2 | 6.8 | - | 0 | 12.0 | |
| 6.4 | 6.6 | - | 0 | 12.2 | |
| 2.0 | 5.1 | - | 0 | 12.0 | |
| 3.0 | 5.8 | - | 0 | 12.1 | |
| 2.7 | 5.6 | - | 0 | 12.1 | |
| 1.1 | 8 | - | 0 | 11.8 | |
| 0.9 | 9.4 | - | 0 | 11.6 | |
| 1.1 | 6.5 | - | 0 | 11.8 | |
| 2.5 | 5.6 | - | 0 | 12.0 | |
| 5.1 | 6.5 | - | 0 | 12.2 | |
| 5.2 | 6.3 | - | 0 | 12.4 | |
| 7.8 | 6.9 | - | 0 | 12.6 | |
| 13.0 | 8.3 | - | 0 | 13.0 | |
| 5.8 | 6.8 | - | 0 | 13.1 | |
| 7.5 | 6.8 | - | 0 | 13.3 | |
| 1.6 | 6.5 | - | 0 | 13.0 | |
| 2.1 | 7.4 | - | 0 | 13.1 | |
| 4.6 | 6.3 | - | 0 | 13.3 | |
| 3.6 | 6.1 | - | 0 | 13.5 |
Realtime data displayed on this page is from the Met
Office
Marine observations.