Greenwich wave buoy daily averages for Apr 2017 last observation shown oldest observation available Monthly averages for
Average Wave Height
1 ft
0.3 — 17.7 ft
Average Wave period
7 secs
4 — 26 secs
Average Water temperature
11 °C
10 — 12 °C
Average Wind
W, 15 mph
3 — 31 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 | 5 | ESE | 24 | 11.2 | |
| 0 | 9 | SE | 16 | 11.2 | |
| 1 | 4 | WNW | 14 | 11.1 | |
| 1 | 5 | NW | 18 | 10.8 | |
| 2 | 5 | N | 20 | 10.8 | |
| 1 | 5 | NNW | 18 | 11.0 | |
| 1 | 7 | WSW | 18 | 11.1 | |
| 1 | 5 | SSE | 12 | 11.1 | |
| 0 | 12 | NNE | 12 | 11.1 | |
| 0 | 16 | W | 14 | 11.1 | |
| 1 | 9 | S | 9 | 11.0 | |
| 2 | 5 | ENE | 20 | 10.8 | |
| 1 | 5 | NE | 13 | 10.8 | |
| 1 | 5 | NE | 14 | 10.9 | |
| 2 | 5 | W | 20 | 10.8 | |
| 1 | 5 | W | 21 | 10.8 | |
| 1 | 5 | WNW | 15 | 10.7 | |
| 1 | 5 | W | 14 | 10.6 | |
| 2 | 5 | W | 24 | 10.6 | |
| 1 | 6 | NW | 16 | 10.6 | |
| 1 | 6 | NW | 14 | 10.6 | |
| 1 | 7 | SSE | 15 | 10.8 | |
| 1 | 8 | E | 11 | 10.7 | |
| 1 | 7 | WSW | 8 | 10.8 | |
| 1 | 8 | ESE | 7 | 10.8 | |
| 2 | 9 | NNW | 15 | 10.4 | |
| 2 | 10 | WSW | 12 | 10.3 | |
| 1 | 8 | SSW | 8 | 10.2 | |
| 2 | 9 | WSW | 8 | 10.4 | |
| 3 | 7 | SSW | 16 | 10.2 |
Realtime data displayed on this page is from the
Met Office Marine observations
.