Greenwich wave buoy daily averages for Nov 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
4 ft
1 — 9.5 ft
Average Wave period
6 secs
5 — 9 secs
Average Water temperature
14 °C
12.5 — 15.1 °C
Average Wind
SW, 24 mph
2 — 44 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) |
|---|---|---|---|---|---|
| 3 | 7 | WNW | 21 | 12.7 | |
| 6 | 7 | SW | 28 | 13.0 | |
| 4 | 6 | SW | 23 | 13.2 | |
| 5 | 6 | SW | 29 | 13.1 | |
| 2 | 7 | WNW | 15 | 12.9 | |
| 3 | 6 | NNW | 27 | 12.9 | |
| 5 | 7 | WNW | 27 | 13.1 | |
| 6 | 6 | WSW | 30 | 13.3 | |
| 5 | 6 | SSW | 33 | 13.1 | |
| 2 | 6 | N | 20 | 13.0 | |
| 3 | 5 | NNW | 23 | 13.1 | |
| 5 | 6 | NW | 31 | 13.6 | |
| 2 | 6 | WNW | 19 | 13.8 | |
| 2 | 5 | N | 23 | 14.0 | |
| 2 | 6 | NNE | 24 | 14.6 | |
| 2 | 7 | E | 11 | 14.8 | |
| 2 | 7 | SSE | 19 | 14.8 | |
| 3 | 7 | S | 16 | 14.8 | |
| 5 | 7 | S | 25 | 14.7 | |
| 5 | 6 | S | 29 | 14.6 | |
| 5 | 6 | SSW | 29 | 14.6 | |
| 3 | 8 | SSW | 21 | 14.7 | |
| 2 | 7 | W | 13 | 14.9 | |
| 2 | 7 | S | 18 | 14.9 | |
| 2 | 7 | SSE | 17 | 14.9 | |
| 4 | 6 | SSE | 22 | 15.0 | |
| 5 | 6 | S | 28 | 15.0 | |
| 5 | 7 | SSW | 29 | 14.9 | |
| 5 | 7 | WSW | 26 | 14.7 | |
| 6 | 7 | SW | 29 | 14.9 |