Greenwich wave buoy daily averages for Jan 2012 last observation shown oldest observation available Monthly averages for
Average Wave Height
4 ft
0 — 70.9 ft
Average Wave period
7 secs
4 — 26 secs
Average Water temperature
10 °C
0 — 21.1 °C
Average Wind
W, 25 mph
7 — 58 mph
About Greenwich wave buoy
Greenwich (WMO 62305) is an offshore station in the southern North Sea/Thames approaches (50.4170°N, 0.0000°E). It is sited to monitor waves and weather affecting busy shipping lanes and coastal flood/sea-state forecasting for south‑east England. It reports wave height/period/direction and meteorological variables such as wind and pressure.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 0 | 26 | NE | 16 | 4.9 | |
| 2 | 11 | NNE | 16 | 7.1 | |
| 1 | 6 | NE | 18 | 9.8 | |
| 2 | 6 | N | 20 | 10.0 | |
| 4 | 7 | W | 19 | 10.0 | |
| 4 | 6 | SW | 30 | 10.2 | |
| 2 | 6 | WSW | 19 | 10.4 | |
| 2 | 6 | W | 18 | 10.2 | |
| 2 | 6 | WNW | 22 | 10.4 | |
| 5 | 7 | W | 32 | 10.4 | |
| 6 | 7 | W | 35 | 10.5 | |
| 6 | 7 | W | 35 | 10.5 | |
| 6 | 7 | W | 33 | 10.6 | |
| 3 | 7 | SW | 26 | 10.5 | |
| 2 | 6 | SSW | 14 | 10.4 | |
| 2 | 6 | E | 23 | 10.4 | |
| 2 | 5 | ESE | 27 | 10.5 | |
| 1 | 5 | E | 17 | 10.6 | |
| 1 | 5 | NNE | 16 | 10.8 | |
| 2 | 6 | W | 25 | 11.0 | |
| 1 | 6 | W | 20 | 11.1 | |
| 1 | 6 | W | 17 | 11.1 | |
| 2 | 6 | W | 20 | 11.6 | |
| 2 | 6 | WNW | 20 | 11.1 | |
| 7 | 6 | WNW | 30 | 11.2 | |
| 4 | 7 | WNW | 27 | 11.1 | |
| 12 | 8 | WNW | 46 | 11.2 | |
| 9 | 8 | W | 41 | 11.2 | |
| 11 | 8 | WSW | 43 | 11.4 | |
| 5 | 7 | W | 30 | 11.4 | |
| 4 | 6 | SW | 28 | 11.6 |
Realtime data displayed on this page is from the
Met Office Marine observations
.