Greenwich wave buoy daily averages for Feb 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
3 ft
0 — 7.5 ft
Average Wave period
7 secs
0 — 11 secs
Average Water temperature
9 °C
8.7 — 9.7 °C
Average Wind
SSW, 23 mph
5 — 43 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 | 7 | S | 22 | 9.6 | |
| 4 | 6 | SSE | 31 | 9.6 | |
| 6 | 7 | S | 31 | 9.6 | |
| 4 | 8 | S | 16 | 9.5 | |
| 3 | 7 | NE | 23 | 9.4 | |
| 3 | 8 | ESE | 17 | 9.4 | |
| 3 | 7 | W | 17 | 9.5 | |
| 3 | 9 | NNE | 17 | 9.3 | |
| 2 | 7 | ENE | 21 | 9.1 | |
| 2 | 6 | NE | 20 | 9.0 | |
| 2 | 5 | NNE | 22 | 8.8 | |
| 2 | 5 | E | 26 | 8.8 | |
| 4 | 6 | E | 34 | 8.9 | |
| 2 | 5 | ESE | 20 | 8.9 | |
| 1 | 5 | S | 16 | 9.0 | |
| 1 | 7 | WSW | 12 | 9.0 | |
| 1 | 7 | WSW | 13 | 9.1 | |
| 1 | 8 | SSE | 11 | 9.0 | |
| 2 | 9 | WSW | 17 | 9.1 | |
| 2 | 7 | W | 23 | 9.2 | |
| 3 | 7 | W | 28 | 9.2 | |
| 6 | 7 | WSW | 37 | 9.3 | |
| 7 | 7 | SW | 35 | 9.2 | |
| 4 | 7 | WNW | 23 | 9.2 | |
| 3 | 6 | SSW | 25 | 9.2 | |
| 5 | 6 | SW | 27 | 9.4 | |
| 7 | 7 | SSW | 33 | 9.5 | |
| 7 | 7 | WSW | 31 | 9.3 |