Greenwich wave buoy daily averages for Dec 2016 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 5.6 ft
Average Wave period
7 secs
0 — 26 secs
Average Water temperature
12 °C
10.3 — 12.9 °C
Average Wind
S, 18 mph
3 — 60 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) |
|---|---|---|---|---|---|
| 0 | 10 | NW | 13 | 12.7 | |
| 1 | 7 | NE | 14 | 12.6 | |
| 2 | 5 | E | 29 | 12.5 | |
| 2 | 5 | E | 26 | 12.1 | |
| 1 | 5 | ESE | 18 | 12.3 | |
| 1 | 6 | S | 13 | 12.5 | |
| 2 | 5 | SSW | 22 | 12.5 | |
| 3 | 6 | SSW | 23 | 12.5 | |
| 3 | 7 | SSW | 20 | 12.5 | |
| 4 | 7 | SW | 24 | 12.4 | |
| 3 | 7 | WNW | 17 | 12.2 | |
| 2 | 6 | S | 19 | 12.2 | |
| 2 | 6 | SSW | 19 | 12.3 | |
| 2 | 6 | SSE | 18 | 12.3 | |
| 2 | 6 | S | 19 | 12.2 | |
| 3 | 8 | SSE | 10 | 12.2 | |
| 2 | 9 | SSE | 8 | 12.2 | |
| 2 | 8 | SW | 12 | 12.1 | |
| 1 | 8 | E | 12 | 12.0 | |
| 2 | 7 | SSE | 20 | 11.8 | |
| 4 | 6 | SSW | 25 | 11.9 | |
| 2 | 8 | W | 15 | 11.9 | |
| 3 | 6 | SSW | 28 | 11.9 | |
| 5 | 7 | W | 30 | 11.8 | |
| 5 | 7 | WSW | 30 | 11.9 | |
| 4 | 7 | WNW | 24 | 11.8 | |
| 2 | 9 | ENE | 11 | 11.5 | |
| 1 | 6 | ESE | 19 | 11.4 | |
| 1 | 7 | SE | 14 | 11.3 | |
| 1 | 8 | W | 8 | 11.2 | |
| 1 | 8 | SW | 11 | 11.2 |