Greenwich wave buoy daily averages for Apr 2019 last observation shown oldest observation available Monthly averages for
Average Wave Height
2 ft
0.3 — 11.8 ft
Average Wave period
6 secs
4 — 10 secs
Average Water temperature
10 °C
9.4 — 12.2 °C
Average Wind
ENE, 18 mph
2 — 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 | ENE | 12 | 11.2 | |
| 1 | 7 | NE | 10 | 11.2 | |
| 4 | 7 | NW | 23 | 10.7 | |
| 9 | 8 | W | 35 | 10.6 | |
| 3 | 7 | SSW | 21 | 10.8 | |
| 2 | 6 | SSE | 21 | 10.6 | |
| 2 | 7 | SSE | 15 | 10.6 | |
| 1 | 7 | NE | 12 | 10.7 | |
| 1 | 7 | ENE | 13 | 10.7 | |
| 1 | 6 | NE | 14 | 10.6 | |
| 1 | 5 | NNE | 15 | 10.5 | |
| 1 | 6 | NE | 17 | 10.5 | |
| 1 | 5 | NE | 20 | 10.3 | |
| 1 | 7 | SE | 12 | 10.2 | |
| 2 | 9 | WNW | 13 | 10.1 | |
| 2 | 5 | E | 22 | 10.0 | |
| 2 | 5 | ENE | 21 | 9.8 | |
| 1 | 5 | ENE | 20 | 9.9 | |
| 2 | 7 | NE | 19 | 9.9 | |
| 3 | 6 | NE | 23 | 9.9 | |
| 4 | 6 | NE | 28 | 10.0 | |
| 1 | 7 | NNE | 17 | 10.1 | |
| 1 | 6 | WSW | 6 | 10.3 | |
| 1 | 6 | NE | 12 | 10.0 | |
| 2 | 6 | ENE | 24 | 10.0 | |
| 3 | 5 | ESE | 23 | 9.9 | |
| 4 | 6 | S | 26 | 9.7 | |
| 2 | 6 | SW | 9 | 9.7 | |
| 2 | 5 | W | 17 | 9.8 | |
| 3 | 6 | NE | 21 | 9.9 |
Realtime data displayed on this page is from the
Met Office Marine observations
.