Greenwich wave buoy daily averages for Mar 2011 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0.3 — 3.9 ft
Average Wave period
6 secs
3 — 26 secs
Average Water temperature
8 °C
8 — 10 °C
Average Wind
ENE, 19 mph
2 — 36 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) |
|---|---|---|---|---|---|
| 3 | 5 | NNE | 26 | 8.0 | |
| 4 | 6 | NNE | 29 | 8.0 | |
| 4 | 6 | NNE | 28 | 8.0 | |
| 2 | 5 | NE | 23 | 8.0 | |
| 1 | 5 | NE | 21 | 8.0 | |
| 3 | 5 | ENE | 30 | 8.0 | |
| 2 | 5 | E | 23 | 8.0 | |
| 1 | 5 | SSW | 14 | 8.0 | |
| 2 | 6 | W | 26 | 8.0 | |
| 3 | 6 | WSW | 28 | 8.0 | |
| 2 | 6 | SW | 15 | 8.3 | |
| 1 | 6 | SSE | 16 | 8.0 | |
| 1 | 6 | SW | 15 | 8.0 | |
| 1 | 6 | NE | 21 | 8.0 | |
| 2 | 5 | NE | 23 | 8.0 | |
| 2 | 5 | NNE | 20 | 8.2 | |
| 1 | 6 | WNW | 13 | 8.0 | |
| 2 | 6 | WSW | 16 | 8.1 | |
| 1 | 6 | NE | 15 | 8.3 | |
| 1 | 6 | SSW | 6 | 8.5 | |
| 1 | 7 | ENE | 4 | 8.7 | |
| 1 | 7 | NE | 12 | 8.8 | |
| 1 | 5 | NE | 19 | 9.0 | |
| 1 | 4 | NE | 19 | 9.0 | |
| 1 | 10 | ENE | 11 | 9.0 | |
| 1 | 7 | ENE | 12 | 9.0 | |
| 1 | 6 | ENE | 21 | 9.0 | |
| 1 | 8 | ENE | 17 | 9.0 | |
| 1 | 8 | ESE | 13 | 9.0 | |
| 2 | 7 | SW | 20 | 9.0 | |
| 2 | 6 | SW | 22 | 9.0 |