Greenwich wave buoy daily averages for Dec 2010 last observation shown oldest observation available Monthly averages for
Average Wave Height
3 ft
0.7 — 12.1 ft
Average Wave period
6 secs
4 — 10 secs
Average Water temperature
10 °C
8 — 12 °C
Average Wind
N, 22 mph
2 — 45 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) |
|---|---|---|---|---|---|
| 1 | 5 | ENE | 17 | 9.0 | |
| 2 | 7 | E | 21 | 9.0 | |
| 2 | 9 | SSE | 11 | 9.0 | |
| 3 | 7 | SSW | 18 | 9.0 | |
| 3 | 6 | S | 26 | 9.0 | |
| 1 | 7 | W | 14 | 8.9 | |
| 2 | 5 | N | 17 | 8.8 | |
| 5 | 6 | N | 32 | 9.0 | |
| 5 | 6 | NNE | 35 | 9.0 | |
| 1 | 6 | N | 18 | 9.0 | |
| 2 | 6 | N | 13 | 9.5 | |
| 2 | 5 | SE | 21 | 9.0 | |
| 2 | 5 | NE | 19 | 9.0 | |
| 3 | 6 | WSW | 25 | 9.0 | |
| 3 | 6 | NW | 23 | 9.3 | |
| 4 | 6 | NW | 31 | 10.0 | |
| 2 | 5 | N | 24 | 10.0 | |
| 1 | 5 | NNE | 21 | 10.0 | |
| 1 | 5 | NE | 17 | 10.1 | |
| 1 | 5 | NNE | 18 | 10.9 | |
| 2 | 5 | NW | 18 | 11.0 | |
| 2 | 5 | WNW | 23 | 11.0 | |
| 3 | 5 | NW | 23 | 11.0 | |
| 3 | 5 | N | 28 | 11.0 | |
| 2 | 5 | NE | 23 | 11.0 | |
| 1 | 5 | NE | 18 | 11.0 | |
| 3 | 6 | NNW | 15 | 11.3 | |
| 8 | 7 | SW | 34 | 11.5 | |
| 2 | 5 | NNW | 19 | 11.2 | |
| 2 | 6 | NE | 22 | 11.0 | |
| 4 | 6 | NE | 29 | 11.5 |
Realtime data displayed on this page is from the
Met Office Marine observations
.