Greenwich wave buoy daily averages for Sep 2020 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0.3 — 5.2 ft
Average Wave period
5 secs
4 — 7 secs
Average Water temperature
18 °C
16.5 — 18 °C
Average Wind
WNW, 10 mph
0 — 36 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) |
|---|---|---|---|---|---|
| 5 | 7 | NW | 36 | 16.5 | |
| 0 | 5 | - | 17.4 | ||
| 1 | 5 | - | 17.7 | ||
| 3 | 6 | - | 17.5 | ||
| 1 | 4 | SW | 13 | 17.6 | |
| 1 | 5 | W | 20 | 17.6 | |
| 1 | 5 | WNW | 16 | 18.0 | |
| 1 | 6 | NNE | 14 | 17.7 | |
| 1 | 5 | - | 17.6 | ||
| 2 | 5 | - | 17.6 |