Greenwich wave buoy daily averages for May 2018 last observation shown Data available: to Monthly averages for
Average Wave Height
1 ft
0.3 — 18.7 ft
Average Wave period
6 secs
4 — 9 secs
Average Water temperature
11 °C
9.7 — 13.9 °C
Average Wind
NNE, 13 mph
0 — 41 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 | 7 | ENE | 10 | 12.2 | |
| 1 | 6 | ENE | 12 | 12.1 | |
| 1 | 5 | NE | 13 | 12.1 | |
| 1 | 5 | NE | 10 | 12.5 | |
| 1 | 5 | NNW | 9 | 12.3 | |
| 1 | 6 | NE | 21 | 11.6 | |
| 1 | 7 | ENE | 7 | 11.7 | |
| 1 | 6 | N | 11 | 11.4 | |
| 2 | 5 | NNE | 12 | 11.8 | |
| 1 | 6 | NNW | 11 | 11.9 | |
| 1 | 5 | NNE | 12 | 11.4 | |
| 1 | 5 | NE | 14 | 11.1 | |
| 1 | 5 | NE | 7 | 11.2 | |
| 1 | 5 | NE | 11 | 10.9 | |
| 3 | 6 | NE | 23 | 10.8 | |
| 2 | 6 | NNE | 17 | 10.8 | |
| 1 | 6 | W | 11 | 11.0 | |
| 2 | 6 | 17 | 10.7 | ||
| 2 | 8 | 12 | 10.6 | ||
| 2 | 8 | 9 | 10.5 | ||
| 2 | 7 | 15 | 10.6 | ||
| 3 | 7 | 19 | 10.6 | ||
| 1 | 7 | 16 | 10.7 | ||
| 1 | 6 | 13 | 11.5 | ||
| 1 | 6 | 10 | 11.5 | ||
| 1 | 6 | 13 | 10.4 | ||
| 1 | 6 | 17 | 10.2 | ||
| 1 | 7 | 7 | 10.3 | ||
| 2 | 7 | 9 | 10.0 | ||
| 4 | 6 | 23 | 9.8 | ||
| 1 | 5 | 16 | 9.8 |