Greenwich wave
buoy daily averages for Jul 2023 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.7 — 7.9 ft
Average Wave period
7 secs
5 — 15 secs
Average Water temperature
16 °C
15.2 — 18.1 °C
Average Wind
-, 0 mph
0 — 0 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 4.8 | 6.4 | - | 0 | 16.5 | |
| 4.6 | 6.1 | - | 0 | 16.5 | |
| 2.1 | 6.1 | - | 0 | 16.6 | |
| 2.1 | 6.8 | - | 0 | 16.6 | |
| 4.3 | 6.3 | - | 0 | 16.4 | |
| 0.9 | 6.4 | - | 0 | 16.7 | |
| 1.5 | 6.5 | - | 0 | 16.5 | |
| 1.5 | 6.6 | - | 0 | 16.4 | |
| 4.2 | 6.7 | - | 0 | 16.4 | |
| 1.8 | 5.3 | - | 0 | 16.3 | |
| 1.0 | 6.7 | - | 0 | 16.5 | |
| 1.0 | 6.9 | - | 0 | 16.5 | |
| 1.4 | 5.9 | - | 0 | 16.3 | |
| 1.0 | 7.7 | - | 0 | 16.7 | |
| 2.1 | 5.6 | - | 0 | 16.2 | |
| 4.6 | 6.6 | - | 0 | 16.2 | |
| 4.3 | 6.3 | - | 0 | 16.1 | |
| 1.5 | 5.6 | - | 0 | 16.1 | |
| 2.2 | 5.8 | - | 0 | 16.2 | |
| 3.1 | 6 | - | 0 | 15.9 | |
| 2.3 | 6.7 | - | 0 | 15.9 | |
| 1.2 | 7.8 | - | 0 | 16.2 | |
| 2.0 | 8.5 | - | 0 | 15.8 | |
| 1.1 | 7.8 | - | 0 | 16.0 | |
| 0.8 | 9.2 | - | 0 | 16.1 | |
| 1.2 | 6.7 | - | 0 | 15.8 | |
| 3.6 | 5.8 | - | 0 | 15.4 | |
| 2.0 | 6.1 | - | 0 | 15.5 | |
| 3.4 | 5.9 | - | 0 | 15.5 | |
| 2.4 | 6 | - | 0 | 16.1 | |
| 3.2 | 6.1 | - | 0 | 16.3 |
Realtime data displayed on this page is from the Met
Office
Marine observations.