Greenwich wave buoy monthly averages for 2024 last observation shown Data available: to
Average Wave Height
3 ft
0.7 — 18 ft
Average Wave period
7 secs
4 — 26 secs
Average Water temperature
13 °C
10 — 19.4 °C
Average Wind
WSW, 3 mph
0 — 38 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.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 4 | 7 | - | 12.0 | ||
| 3 | 7 | - | 14.5 | ||
| 2 | 7 | - | 16.2 | ||
| 3 | 7 | - | 17.5 | ||
| 2 | 7 | - | 17.8 | ||
| 2 | 9 | - | 16.3 | ||
| 2 | 8 | - | 14.4 | ||
| 2 | 9 | - | 12.4 | ||
| 3 | 7 | - | 10.8 | ||
| 3 | 7 | - | 9.9 | ||
| 4 | 7 | - | 9.9 | ||
| 4 | 7 | WSW | 36 | 10.0 |