Greenwich wave
buoy daily averages for Dec 2020 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
1.3 — 6.6 ft
Average Wave period
6 secs
5 — 8 secs
Average Water temperature
12 °C
10.9 — 12.9 °C
Average Wind
W, 15 mph
0 — 32 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 2.6 | 8 | - | 0 | 10.9 | |
| 4.9 | 6 | SW | 24 | 11.1 | |
| 1.6 | 5 | NNW | 21 | 11.2 | |
| 6.6 | 7 | - | 0 | 12.2 | |
| 4.6 | 7 | SW | 22 | 12.2 | |
| 3.3 | 6 | - | 0 | 12.2 | |
| 1.3 | 6 | W | 11 | 12.0 | |
| 5.9 | 6 | ESE | 32 | 12.2 | |
| 2.6 | 5 | NNW | 24 | 12.9 |
Realtime data displayed on this page is from the Met
Office
Marine observations.