Greenwich wave buoy daily averages for Oct 2012 last observation shown Data available: to Monthly averages for
Average Wave Height
3 ft
0.3 — 6.9 ft
Average Wave period
6 secs
0 — 46 secs
Average Water temperature
15 °C
14.1 — 16.3 °C
Average Wind
SSW, 23 mph
5 — 195 mph
Chart showing grouped wave observations for Greenwich. Use the table on this page for a text version of the same measurements.
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) |
|---|---|---|---|---|---|
| 4 | 6 | SW | 26 | 16.2 | |
| 4 | 6 | SW | 26 | 16.1 | |
| 5 | 7 | WSW | 28 | 16.0 | |
| 2 | 6 | W | 21 | 15.9 | |
| 4 | 7 | SW | 25 | 16.0 | |
| 3 | 6 | NE | 22 | 15.9 | |
| 1 | 7 | ENE | 22 | 15.9 | |
| 2 | 6 | SE | 19 | 15.9 | |
| 2 | 7 | ENE | 20 | 15.8 | |
| 2 | 7 | E | 20 | 15.9 | |
| 2 | 6 | SSE | 21 | 15.9 | |
| 5 | 6 | W | 31 | 15.7 | |
| 3 | 6 | W | 22 | 15.5 | |
| 1 | 6 | NNW | 16 | 15.4 | |
| 3 | 6 | WSW | 22 | 15.3 | |
| 5 | 7 | SW | 29 | 15.4 | |
| 5 | 6 | S | 31 | 15.4 | |
| 4 | 6 | SSW | 24 | 15.4 | |
| 2 | 6 | SSE | 16 | 15.4 | |
| 1 | 7 | E | 14 | 15.5 | |
| 2 | 8 | NE | 25 | 15.3 | |
| 2 | 9 | ENE | 13 | 15.5 | |
| 1 | 8 | NNE | 9 | 15.5 | |
| 1 | 6 | ENE | 18 | 15.4 | |
| 3 | 5 | ENE | 31 | 15.3 | |
| 5 | 6 | NE | 35 | 15.0 | |
| 6 | 6 | N | 38 | 14.4 | |
| 2 | 5 | WNW | 20 | 14.3 | |
| 5 | 6 | WSW | 28 | 14.5 | |
| 2 | 8 | WNW | 16 | 14.6 | |
| 4 | 6 | SSW | 31 | 14.5 |