Greenwich wave buoy daily averages for Jun 2021 last observation shown Data available: to Monthly averages for
Average Wave Height
1 ft
0.3 — 3.9 ft
Average Wave period
6 secs
3 — 9 secs
Average Water temperature
14 °C
11.9 — 16.1 °C
Average Wind
WNW, 12 mph
2 — 23 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 | 6 | WNW | 11 | 14.3 | |
| 1 | 5 | NE | 4 | 14.3 | |
| 1 | 4 | NE | 13 | 14.0 | |
| 1 | 4 | SW | 13 | 14.3 | |
| 1 | 5 | NNE | 7 | 14.1 | |
| 3 | 6 | ENE | 19 | 13.3 | |
| 1 | 5 | N | 8 | 14.7 | |
| 1 | 8 | E | 10 | 15.5 | |
| 1 | 6 | SW | 10 | 14.6 | |
| 1 | 7 | NE | 11 | 14.3 | |
| 1 | 7 | W | 12 | 13.4 | |
| 1 | 6 | WSW | 18 | 12.9 | |
| 1 | 7 | WSW | 11 | 13.1 | |
| 1 | 7 | WSW | 11 | 13.7 | |
| 1 | 6 | SW | 7 | 13.6 | |
| 1 | 7 | W | 10 | 13.1 | |
| 1 | 7 | WSW | 10 | 13.1 | |
| 1 | 5 | W | 13 | 12.8 | |
| 1 | 6 | WNW | 17 | 12.2 | |
| 1 | 7 | WSW | 11 | 13.2 | |
| 1 | 7 | ESE | 10 | 13.0 | |
| 1 | 6 | ENE | 19 | 12.4 |