Greenwich wave
buoy daily averages for Jan 2021 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
1.3 — 8.2 ft
Average Wave period
7 secs
5 — 9 secs
Average Water temperature
10 °C
8.9 — 10.4 °C
Average Wind
WNW, 20 mph
0 — 36 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 3.0 | 7 | - | 0 | 9.7 | |
| 2.2 | 5.8 | W | 21 | 9.3 | |
| 3.4 | 6.9 | NNW | 25 | 9.2 | |
| 3.8 | 7.1 | W | 21 | 9.2 | |
| 3.2 | 7.3 | NNW | 18 | 9.4 | |
| 2.6 | 7.5 | W | 19 | 9.6 | |
| 5.9 | 7.1 | WSW | 22 | 9.7 | |
| 4.3 | 6 | NW | 32 | 10.4 |
Realtime data displayed on this page is from the Met
Office
Marine observations.