Greenwich wave buoy daily averages for Aug 2018 last observation shown oldest observation available Monthly averages for
Average Wave Height
2 ft
0.3 — 7.9 ft
Average Wave period
6 secs
3 — 26 secs
Average Water temperature
18 °C
16.7 — 20.2 °C
Average Wind
W, 16 mph
2 — 38 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 | 6 | ENE | 12 | 17.8 | |
| 1 | 5 | NNE | 9 | 17.7 | |
| 1 | 5 | NNW | 18 | 17.6 | |
| 1 | 6 | NE | 9 | 17.8 | |
| 3 | 6 | W | 24 | 17.6 | |
| 3 | 5 | SSW | 25 | 17.4 | |
| 2 | 6 | WNW | 19 | 17.5 | |
| 4 | 6 | WNW | 26 | 17.6 | |
| 1 | 5 | WSW | 20 | 17.9 | |
| 1 | 6 | W | 14 | 18.0 | |
| 1 | 7 | W | 13 | 18.0 | |
| 2 | 7 | W | 14 | 17.9 | |
| 2 | 6 | WSW | 23 | 17.6 | |
| 2 | 5 | WSW | 19 | 17.6 | |
| 1 | 6 | WNW | 15 | 17.7 | |
| 1 | 5 | WSW | 17 | 17.6 | |
| 1 | 5 | WSW | 19 | 17.8 | |
| 2 | 6 | W | 17 | 17.7 | |
| 2 | 6 | W | 20 | 17.7 | |
| 2 | 6 | S | 15 | 17.6 | |
| 2 | 6 | SSW | 11 | 17.5 | |
| 4 | 6 | WSW | 27 | 17.3 | |
| 1 | 6 | WNW | 19 | 17.3 | |
| 1 | 5 | W | 17 | 17.8 | |
| 0 | 8 | NW | 10 | 19.0 | |
| 1 | 6 | NE | 8 | 18.6 | |
| 1 | 5 | NE | 13 | 17.9 | |
| 1 | 6 | N | 11 | 18.3 | |
| 1 | 6 | W | 7 | 18.3 | |
| 1 | 7 | W | 8 | 17.7 | |
| 2 | 8 | W | 10 | 17.3 |
Realtime data displayed on this page is from the
Met Office Marine observations
.