Greenwich wave buoy daily averages for Sep 2011 last observation shown oldest observation available Monthly averages for
Average Wave Height
3 ft
0.3 — 11.2 ft
Average Wave period
6 secs
4 — 26 secs
Average Water temperature
17 °C
16.3 — 17.5 °C
Average Wind
SW, 20 mph
2 — 47 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) |
|---|---|---|---|---|---|
| 2 | 8 | ESE | 11 | 17.0 | |
| 1 | 7 | ESE | 12 | 17.0 | |
| 1 | 6 | E | 15 | 16.9 | |
| 1 | 7 | ESE | 10 | 16.7 | |
| 2 | 6 | SW | 14 | 16.7 | |
| 2 | 8 | S | 13 | 16.8 | |
| 1 | 6 | S | 9 | 16.7 | |
| 1 | 6 | SW | 8 | 16.7 | |
| 3 | 6 | W | 22 | 16.6 | |
| 3 | 6 | WSW | 25 | 16.6 | |
| 3 | 6 | SW | 23 | 16.6 | |
| 3 | 6 | W | 23 | 16.5 | |
| 4 | 7 | WNW | 20 | 16.4 | |
| 5 | 6 | WSW | 28 | 16.6 | |
| 2 | 5 | S | 22 | 16.7 | |
| 2 | 7 | ENE | 10 | 16.8 | |
| 4 | 6 | W | 24 | 16.5 | |
| 5 | 7 | W | 32 | 16.7 | |
| 7 | 7 | SW | 35 | 16.8 | |
| 5 | 7 | SW | 25 | 16.8 | |
| 1 | 6 | S | 16 | 16.9 | |
| 2 | 6 | SW | 16 | 16.8 | |
| 4 | 7 | WSW | 27 | 16.6 | |
| 7 | 7 | W | 36 | 16.6 | |
| 9 | 7 | SW | 36 | 16.7 | |
| 6 | 7 | WSW | 33 | 16.8 | |
| 2 | 6 | SW | 20 | 16.9 | |
| 1 | 8 | WSW | 8 | 17.0 | |
| 1 | 5 | SW | 10 | 17.0 | |
| 2 | 5 | ENE | 25 | 16.8 |
Realtime data displayed on this page is from the
Met Office Marine observations
.