Greenwich wave buoy daily averages for Jan 2018 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
0 — 11.2 ft
Average Wave period
7 secs
0 — 17 secs
Average Water temperature
10 °C
9.5 — 18 °C
Average Wind
WSW, 26 mph
0 — 53 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) |
|---|---|---|---|---|---|
| 8 | 8 | W | 32 | 10.2 | |
| 6 | 7 | SW | 30 | 10.2 | |
| 9 | 7 | W | 39 | 10.3 | |
| 8 | 8 | WSW | 30 | 10.3 | |
| 6 | 7 | WSW | 28 | 10.3 | |
| 3 | 7 | NE | 22 | 10.2 | |
| 7 | 7 | NE | 35 | 9.9 | |
| 3 | 6 | ENE | 24 | 9.6 | |
| 1 | 6 | SSE | 17 | 9.8 | |
| 2 | 7 | SW | 14 | 10.2 | |
| 2 | 9 | NNE | 14 | 10.1 | |
| 2 | 10 | ESE | 15 | 10.0 | |
| 3 | 6 | SE | 23 | 9.8 | |
| 2 | 9 | ESE | 14 | 9.8 | |
| 7 | 7 | SW | 38 | 10.1 | |
| 8 | 7 | WNW | 36 | 10.1 | |
| 8 | 7 | WNW | 38 | 9.9 | |
| 7 | 7 | W | 37 | 10.1 | |
| 5 | 6 | WNW | 29 | 9.9 | |
| 3 | 6 | WSW | 20 | 9.9 | |
| 4 | 7 | SW | 19 | 9.7 | |
| 4 | 7 | WNW | 20 | 10.1 | |
| 4 | 7 | SW | 25 | 10.0 | |
| 6 | 6 | SW | 32 | 10.2 | |
| 5 | 7 | SW | 25 | 10.0 | |
| 3 | 8 | NNW | 14 | 9.9 | |
| 4 | 7 | SW | 24 | 9.9 | |
| 3 | 6 | WSW | 24 | 10.2 | |
| 5 | 6 | W | 26 | 10.2 | |
| 2 | 7 | S | 15 | 10.4 | |
| 6 | 7 | W | 33 | 10.0 |