Greenwich wave
buoy daily averages for Apr 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.7 — 5.6 ft
Average Wave period
7 secs
5 — 17 secs
Average Water temperature
10 °C
9.4 — 9.8 °C
Average Wind
-, 0 mph
0 — 0 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 0.7 | 11.8 | - | 0 | 9.7 | |
| 1.3 | 5.9 | - | 0 | 9.7 | |
| 3.5 | 5.7 | - | 0 | 9.6 | |
| 2.6 | 5.5 | - | 0 | 9.5 |
Realtime data displayed on this page is from the Met
Office
Marine observations.