Greenwich wave buoy monthly averages for 2019 last observation shown Data available: to
Average Wave Height
2 ft
0 — 6.2 ft
Average Wave period
6 secs
0 — 26 secs
Average Water temperature
13 °C
8.6 — 20.4 °C
Average Wind
WSW, 18 mph
0 — 46 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) |
|---|---|---|---|---|---|
| 2 | 6 | NW | 20 | 10.2 | |
| 3 | 8 | S | 17 | 9.1 | |
| 2 | 7 | W | 18 | 9.8 | |
| 2 | 6 | ENE | 17 | 10.3 | |
| 2 | 6 | NW | 15 | 11.8 | |
| 2 | 6 | SW | 15 | 13.8 | |
| 1 | 7 | WNW | 13 | 16.2 | |
| 2 | 6 | WSW | 15 | 17.7 | |
| 2 | 6 | WNW | 19 | 17.6 | |
| 3 | 6 | WSW | 22 | 16.2 | |
| 3 | 6 | S | 22 | 13.7 | |
| 3 | 7 | SW | 21 | 11.7 |