Greenwich wave buoy daily averages for Jul 2018 last observation shown oldest observation available Monthly averages for
Average Wave Height
1 ft
0.3 — 6.2 ft
Average Wave period
6 secs
3 — 26 secs
Average Water temperature
17 °C
14.4 — 19.9 °C
Average Wind
NW, 12 mph
2 — 37 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) |
|---|---|---|---|---|---|
| 2 | 7 | SW | 13 | 17.1 | |
| 3 | 7 | SSW | 16 | 17.1 | |
| 5 | 7 | S | 27 | 17.0 | |
| 3 | 7 | SW | 20 | 17.3 | |
| 1 | 7 | W | 13 | 18.5 | |
| 0 | 7 | NE | 11 | 18.4 | |
| 0 | 7 | WNW | 10 | 18.1 | |
| 0 | 7 | W | 10 | 17.5 | |
| 1 | 5 | WSW | 13 | 17.0 | |
| 1 | 5 | WSW | 11 | 17.0 | |
| 1 | 5 | NNW | 8 | 16.9 | |
| 1 | 6 | E | 10 | 16.3 | |
| 1 | 6 | NE | 13 | 16.4 | |
| 1 | 7 | WSW | 7 | 16.7 | |
| 1 | 6 | WSW | 15 | 16.1 | |
| 1 | 5 | W | 12 | 16.2 | |
| 1 | 6 | W | 7 | 16.3 | |
| 1 | 5 | NNE | 8 | 16.1 | |
| 1 | 5 | NE | 11 | 15.9 | |
| 1 | 5 | NE | 9 | 15.9 | |
| 1 | 6 | NNE | 9 | 16.1 | |
| 1 | 5 | NE | 11 | 16.4 | |
| 0 | 7 | ENE | 8 | 17.6 | |
| 1 | 5 | NNE | 9 | 17.3 | |
| 1 | 5 | WNW | 9 | 16.5 | |
| 1 | 5 | SW | 12 | 15.6 | |
| 1 | 6 | W | 11 | 15.5 | |
| 1 | 5 | E | 10 | 15.2 | |
| 2 | 5 | NE | 22 | 14.8 | |
| 1 | 5 | NE | 22 | 14.8 | |
| 1 | 5 | NE | 20 | 14.7 |
Realtime data displayed on this page is from the
Met Office Marine observations
.