Greenwich wave buoy daily averages for Mar 2019 last observation shown oldest observation available Monthly averages for
Average Wave Height
4 ft
0.3 — 17.4 ft
Average Wave period
7 secs
3 — 26 secs
Average Water temperature
10 °C
9.2 — 11.3 °C
Average Wind
W, 23 mph
2 — 55 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) |
|---|---|---|---|---|---|
| 3 | 7 | NE | 25 | 10.2 | |
| 1 | 6 | NNE | 5 | 10.8 | |
| 1 | 7 | NE | 12 | 10.0 | |
| 1 | 10 | NNE | 7 | 10.0 | |
| 1 | 5 | NNW | 7 | 10.1 | |
| 1 | 6 | NW | 10 | 9.9 | |
| 2 | 5 | NW | 16 | 9.9 | |
| 1 | 6 | NNW | 15 | 9.9 | |
| 1 | 7 | N | 12 | 9.8 | |
| 1 | 7 | SSW | 10 | 9.8 | |
| 1 | 7 | SW | 9 | 9.9 | |
| 1 | 6 | SW | 13 | 9.8 | |
| 1 | 7 | W | 11 | 9.8 | |
| 3 | 7 | WNW | 21 | 9.6 | |
| 6 | 7 | WNW | 32 | 9.6 | |
| 8 | 7 | SW | 34 | 9.7 | |
| 10 | 8 | W | 38 | 9.7 | |
| 9 | 8 | W | 35 | 9.6 | |
| 9 | 8 | W | 37 | 9.5 | |
| 8 | 7 | SW | 39 | 9.4 | |
| 7 | 7 | WNW | 34 | 9.4 | |
| 10 | 7 | W | 39 | 9.6 | |
| 5 | 6 | W | 26 | 9.6 | |
| 4 | 6 | WSW | 24 | 9.5 | |
| 7 | 7 | W | 34 | 9.6 | |
| 5 | 6 | S | 31 | 9.6 | |
| 5 | 7 | SW | 23 | 9.5 | |
| 8 | 7 | W | 33 | 9.5 | |
| 7 | 7 | SSW | 34 | 9.7 | |
| 4 | 7 | SW | 27 | 9.7 | |
| 3 | 7 | W | 17 | 9.6 |
Realtime data displayed on this page is from the
Met Office Marine observations
.