Greenwich wave
buoy daily averages for Sep 2020 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.3 — 5.2 ft
Average Wave period
5 secs
4 — 7 secs
Average Water temperature
18 °C
16.5 — 18 °C
Average Wind
WNW, 10 mph
0 — 36 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 5.2 | 7 | NW | 36 | 16.5 | |
| 0.3 | 5 | - | 0 | 17.4 | |
| 1.3 | 5 | - | 0 | 17.7 | |
| 3.0 | 6 | - | 0 | 17.5 | |
| 1.0 | 4 | SW | 13 | 17.6 | |
| 1.2 | 5 | W | 20 | 17.6 | |
| 0.7 | 5 | WNW | 16 | 18.0 | |
| 0.5 | 5.5 | NNE | 14 | 17.7 | |
| 0.7 | 5 | - | 0 | 17.6 | |
| 1.6 | 5 | - | 0 | 17.6 |
Realtime data displayed on this page is from the Met
Office
Marine observations.