Greenwich wave buoy daily averages for Oct 2011 last observation shown oldest observation available Monthly averages for
Average Wave Height
3 ft
0 — 67.6 ft
Average Wave period
6 secs
4 — 9 secs
Average Water temperature
16 °C
15.3 — 17.5 °C
Average Wind
SW, 23 mph
4 — 209 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 | S | 25 | 15.5 | |
| 4 | 7 | SSW | 20 | 15.5 | |
| 1 | 5 | SSW | 18 | 15.5 | |
| 1 | 5 | E | 14 | 15.5 | |
| 3 | 5 | SSE | 24 | 15.5 | |
| 4 | 6 | SSW | 35 | 15.5 | |
| 3 | 6 | SSW | 24 | 15.6 | |
| 5 | 6 | SE | 32 | 15.7 | |
| 3 | 5 | SSE | 28 | 15.8 | |
| 2 | 5 | S | 24 | 15.6 | |
| 1 | 5 | SW | 15 | 15.7 | |
| 2 | 6 | NW | 17 | 15.7 | |
| 3 | 6 | NW | 23 | 15.9 | |
| 6 | 7 | W | 32 | 16.1 | |
| 2 | 6 | WSW | 24 | 16.3 | |
| 1 | 7 | W | 12 | 16.3 | |
| 1 | 5 | ESE | 14 | 16.3 | |
| 7 | 5 | E | 21 | 16.4 | |
| 1 | 7 | NE | 15 | 16.6 | |
| 3 | 6 | W | 25 | 16.5 | |
| 5 | 6 | W | 32 | 16.5 | |
| 7 | 7 | W | 36 | 16.6 | |
| 4 | 6 | W | 29 | 16.5 | |
| 3 | 6 | NW | 26 | 16.4 | |
| 6 | 7 | WNW | 33 | 16.5 | |
| 7 | 7 | W | 37 | 16.7 | |
| 3 | 6 | WSW | 27 | 16.9 | |
| 2 | 5 | W | 23 | 16.9 | |
| 1 | 6 | SW | 16 | 17.0 | |
| 1 | 7 | SSE | 9 | 17.1 | |
| 1 | 8 | ESE | 11 | 17.0 |
Realtime data displayed on this page is from the
Met Office Marine observations
.