Greenwich wave buoy daily averages for Jan 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 5.2 ft
Average Wave period
6 secs
0 — 14 secs
Average Water temperature
10 °C
8.4 — 11.3 °C
Average Wind
ESE, 19 mph
0 — 41 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 | 6 | SSW | 22 | 11.2 | |
| 2 | 5 | NNE | 23 | 11.0 | |
| 2 | 5 | WNW | 19 | 10.8 | |
| 3 | 5 | NNW | 26 | 10.7 | |
| 1 | 6 | NE | 12 | 10.6 | |
| 1 | 5 | SSW | 16 | 10.5 | |
| 2 | 6 | WNW | 18 | 10.6 | |
| 1 | 7 | NNW | 8 | 10.8 | |
| 2 | 6 | WSW | 21 | 10.7 | |
| 4 | 6 | WNW | 25 | 10.7 | |
| 3 | 6 | W | 28 | 10.8 | |
| 4 | 6 | WSW | 26 | 10.6 | |
| 5 | 6 | NW | 36 | 10.0 | |
| 4 | 6 | NW | 27 | 9.8 | |
| 3 | 6 | NW | 20 | 9.8 | |
| 1 | 6 | E | 13 | 9.8 | |
| 1 | 6 | E | 14 | 9.8 | |
| 1 | 5 | E | 21 | 9.6 | |
| 2 | 5 | ENE | 26 | 9.5 | |
| 1 | 5 | E | 22 | 9.2 | |
| 1 | 7 | SE | 13 | 9.0 | |
| 2 | 10 | ESE | 9 | 9.0 | |
| 1 | 9 | E | 6 | 9.1 | |
| 1 | 9 | W | 9 | 9.2 | |
| 2 | 9 | E | 14 | 8.9 | |
| 2 | 6 | ESE | 20 | 8.6 | |
| 3 | 6 | SE | 25 | 8.9 | |
| 3 | 6 | SSW | 25 | 9.1 | |
| 4 | 6 | SSW | 28 | 9.2 | |
| 2 | 6 | SW | 15 | 9.4 | |
| 2 | 7 | ESE | 15 | 9.5 |