Greenwich wave buoy daily averages for May 2017 last observation shown oldest observation available Monthly averages for
Average Wave Height
2 ft
0 — 8.2 ft
Average Wave period
7 secs
4 — 26 secs
Average Water temperature
12 °C
10 — 14.7 °C
Average Wind
E, 17 mph
3 — 41 mph
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) |
|---|---|---|---|---|---|
| 1 | 7 | WSW | 11 | 13.6 | |
| 1 | 6 | WSW | 19 | 12.9 | |
| 1 | 6 | SSE | 13 | 12.9 | |
| 1 | 5 | NE | 14 | 12.8 | |
| 1 | 7 | SW | 15 | 12.8 | |
| 1 | 6 | ENE | 18 | 12.6 | |
| 1 | 6 | ENE | 15 | 12.6 | |
| 1 | 7 | W | 8 | 12.8 | |
| 2 | 8 | W | 18 | 12.5 | |
| 1 | 7 | ESE | 15 | 13.0 | |
| 1 | 4 | ESE | 13 | 12.5 | |
| 2 | 6 | SW | 18 | 12.2 | |
| 2 | 7 | W | 18 | 12.0 | |
| 2 | 8 | NW | 16 | 11.9 | |
| 3 | 9 | NNW | 13 | 12.2 | |
| 2 | 7 | SSW | 14 | 12.3 | |
| 2 | 7 | S | 16 | 11.8 | |
| 2 | 6 | SW | 19 | 11.8 | |
| 1 | 5 | SSW | 15 | 11.8 | |
| 1 | 5 | SSW | 16 | 11.6 | |
| 1 | 7 | E | 15 | 11.5 | |
| 1 | 21 | ENE | 12 | 11.4 | |
| 1 | 17 | NE | 14 | 11.0 | |
| 2 | 5 | NNE | 23 | 11.2 | |
| 1 | 6 | NNW | 12 | 11.4 | |
| 3 | 6 | NE | 23 | 11.4 | |
| 3 | 6 | ENE | 31 | 11.3 | |
| 2 | 7 | NNE | 22 | 11.3 | |
| 2 | 6 | NNE | 20 | 11.3 | |
| 2 | 7 | NE | 11 | 11.5 | |
| 5 | 6 | S | 28 | 11.2 |
Realtime data displayed on this page is from the
Met Office Marine observations
.