Greenwich wave buoy daily averages for Nov 2019 last observation shown oldest observation available Monthly averages for
Average Wave Height
4 ft
0.3 — 17.7 ft
Average Wave period
6 secs
4 — 9 secs
Average Water temperature
14 °C
12.5 — 15.4 °C
Average Wind
SSW, 23 mph
3 — 59 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 | 6 | E | 26 | 12.6 | |
| 2 | 7 | NNE | 16 | 12.8 | |
| 5 | 7 | WNW | 23 | 13.1 | |
| 7 | 7 | SW | 33 | 13.1 | |
| 5 | 6 | S | 31 | 13.2 | |
| 3 | 6 | S | 26 | 13.1 | |
| 2 | 6 | SSW | 21 | 13.2 | |
| 3 | 5 | ESE | 23 | 13.2 | |
| 4 | 6 | SSE | 31 | 13.1 | |
| 3 | 6 | SE | 23 | 13.0 | |
| 3 | 6 | SE | 26 | 13.1 | |
| 1 | 6 | S | 13 | 13.2 | |
| 2 | 5 | N | 22 | 13.4 | |
| 1 | 6 | ESE | 12 | 13.4 | |
| 2 | 5 | SE | 15 | 13.3 | |
| 3 | 6 | NNE | 27 | 13.4 | |
| 3 | 6 | S | 13 | 13.5 | |
| 3 | 6 | W | 24 | 13.9 | |
| 7 | 7 | WNW | 34 | 13.9 | |
| 5 | 6 | W | 31 | 14.1 | |
| 3 | 7 | E | 18 | 14.2 | |
| 3 | 6 | SW | 20 | 14.3 | |
| 2 | 7 | N | 13 | 14.4 | |
| 4 | 6 | WSW | 26 | 14.5 | |
| 2 | 7 | NW | 15 | 14.8 | |
| 4 | 8 | NW | 18 | 14.9 | |
| 5 | 7 | SW | 27 | 14.9 | |
| 5 | 7 | WSW | 21 | 15.0 | |
| 11 | 8 | SW | 42 | 15.1 | |
| 3 | 6 | SSW | 25 | 15.3 |
Realtime data displayed on this page is from the
Met Office Marine observations
.