Greenwich wave buoy daily averages for Mar 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
3 ft
0 — 8.2 ft
Average Wave period
7 secs
0 — 16 secs
Average Water temperature
10 °C
9 — 11 °C
Average Wind
SW, 22 mph
3 — 46 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) |
|---|---|---|---|---|---|
| 5 | 7 | WSW | 23 | 9.3 | |
| 3 | 7 | SW | 20 | 9.4 | |
| 2 | 6 | SSE | 23 | 9.3 | |
| 3 | 7 | SW | 20 | 9.3 | |
| 6 | 6 | SW | 36 | 9.1 | |
| 4 | 8 | WNW | 22 | 9.3 | |
| 4 | 8 | W | 20 | 9.4 | |
| 5 | 7 | WSW | 30 | 9.5 | |
| 3 | 7 | W | 20 | 9.7 | |
| 2 | 8 | SE | 12 | 9.6 | |
| 1 | 7 | ESE | 11 | 9.7 | |
| 1 | 8 | NW | 13 | 9.7 | |
| 2 | 7 | NW | 18 | 9.7 | |
| 2 | 8 | W | 17 | 9.7 | |
| 2 | 9 | WNW | 8 | 9.9 | |
| 1 | 9 | W | 9 | 9.8 | |
| 3 | 7 | W | 25 | 9.8 | |
| 6 | 7 | W | 31 | 9.8 | |
| 5 | 7 | WSW | 32 | 9.9 | |
| 5 | 7 | SW | 31 | 9.9 | |
| 4 | 7 | W | 25 | 9.8 | |
| 5 | 7 | SSE | 24 | 9.7 | |
| 4 | 7 | ENE | 29 | 9.7 | |
| 3 | 7 | ENE | 30 | 9.8 | |
| 4 | 6 | NE | 34 | 9.8 | |
| 4 | 6 | ENE | 29 | 9.8 | |
| 1 | 5 | ENE | 21 | 9.9 | |
| 1 | 5 | SSW | 15 | 10.0 | |
| 2 | 6 | S | 17 | 10.0 | |
| 2 | 8 | SSE | 15 | 10.2 | |
| 2 | 9 | S | 14 | 10.2 |