Greenwich wave
buoy daily averages for Mar 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
1 ft
0.7 — 4.6 ft
Average Wave period
8 secs
4 — 23 secs
Average Water temperature
9 °C
8.6 — 9.9 °C
Average Wind
-, 0 mph
0 — 0 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 1.2 | 7.5 | - | 0 | 9.6 | |
| 2.4 | 6 | - | 0 | 9.6 | |
| 1.9 | 6.5 | - | 0 | 9.4 | |
| 1.4 | 6.5 | - | 0 | 9.5 | |
| 1.0 | 10.8 | - | 0 | 9.5 | |
| 0.8 | 10.5 | - | 0 | 9.7 | |
| 1.1 | 7.4 | - | 0 | 9.3 | |
| 1.3 | 7.3 | - | 0 | 9.5 | |
| 1.7 | 9.3 | - | 0 | 9.6 | |
| 1.1 | 9 | - | 0 | 9.5 | |
| 1.0 | 8.3 | - | 0 | 9.4 | |
| 0.9 | 13.1 | - | 0 | 9.5 | |
| 1.0 | 9.1 | - | 0 | 9.2 | |
| 2.2 | 5.3 | - | 0 | 8.9 | |
| 1.9 | 5.2 | - | 0 | 8.9 | |
| 3.1 | 5.8 | - | 0 | 8.9 | |
| 2.9 | 5.6 | - | 0 | 8.9 | |
| 1.1 | 6.8 | - | 0 | 9.1 | |
| 1.2 | 5.2 | - | 0 | 9.0 | |
| 1.0 | 7.2 | - | 0 | 9.1 | |
| 2.0 | 5.8 | - | 0 | 9.3 | |
| 1.0 | 10.8 | - | 0 | 9.5 | |
| 1.2 | 8.4 | - | 0 | 9.5 | |
| 1.4 | 8.3 | - | 0 | 9.4 | |
| 1.4 | 7.4 | - | 0 | 9.4 | |
| 1.0 | 8.4 | - | 0 | 9.3 | |
| 0.9 | 11.4 | - | 0 | 9.2 | |
| 1.0 | 11.5 | - | 0 | 9.2 | |
| 1.0 | 10 | - | 0 | 9.1 | |
| 1.2 | 6.8 | - | 0 | 9.1 | |
| 1.2 | 5.7 | - | 0 | 9.1 |
Realtime data displayed on this page is from the Met
Office
Marine observations.