Greenwich wave buoy monthly averages for 2015 last observation shown oldest observation available
Average Wave Height
3 ft
0 — 39.4 ft
Average Wave period
6 secs
0 — 26 secs
Average Water temperature
13 °C
8.3 — 18.4 °C
Average Wind
W, 21 mph
0 — 90 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.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 5 | 7 | SSW | 28 | 13.0 | |
| 5 | 7 | WSW | 26 | 14.5 | |
| 2 | 6 | NE | 19 | 15.6 | |
| 2 | 6 | NNW | 20 | 16.8 | |
| 2 | 6 | WSW | 14 | 16.9 | |
| 2 | 6 | WSW | 17 | 15.5 | |
| 2 | 6 | W | 16 | 13.6 | |
| 2 | 6 | WSW | 19 | 11.3 | |
| 2 | 7 | NE | 17 | 9.6 | |
| 4 | 6 | WNW | 24 | 8.8 | |
| 3 | 7 | NW | 22 | 8.8 | |
| 5 | 7 | W | 26 | 10.6 |
Realtime data displayed on this page is from the
Met Office Marine observations
.