Greenwich wave buoy monthly averages for 2015 last observation shown Data available: to
Average Wave Height
2 ft
0 — 6.6 ft
Average Wave period
6 secs
0 — 26 secs
Average Water temperature
13 °C
8.3 — 18.4 °C
Average Wind
W, 19 mph
0 — 90 mph
Chart showing grouped wave observations for Greenwich. Use the table on this page for a text version of the same measurements.
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) |
|---|---|---|---|---|---|
| 3 | 6 | W | 22 | 10.5 | |
| 3 | 7 | NW | 21 | 8.8 | |
| 3 | 6 | WNW | 22 | 8.8 | |
| 2 | 7 | NE | 17 | 9.6 | |
| 2 | 6 | WSW | 18 | 11.3 | |
| 2 | 6 | W | 16 | 13.6 | |
| 2 | 6 | WSW | 17 | 15.5 | |
| 2 | 6 | WSW | 14 | 16.9 | |
| 2 | 6 | NNW | 19 | 16.8 | |
| 2 | 6 | NE | 18 | 15.6 | |
| 3 | 7 | WSW | 22 | 14.5 | |
| 4 | 7 | SSW | 26 | 13.0 |