Greenwich wave buoy daily averages for May 2022 last observation shown oldest observation available Monthly averages for
Average Wave Height
1 ft
0.7 — 5.2 ft
Average Wave period
7 secs
5 — 14 secs
Average Water temperature
12 °C
10.6 — 14.5 °C
Average Wind
SW, 13 mph
1 — 32 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 | WSW | 15 | 13.0 | |
| 1 | 8 | SE | 7 | 13.1 | |
| 1 | 6 | NE | 11 | 13.0 | |
| 1 | 6 | NNE | 11 | 13.3 | |
| 2 | 6 | W | 17 | 12.8 | |
| 3 | 5 | WSW | 22 | 12.6 | |
| 3 | 6 | WSW | 24 | 12.4 | |
| 2 | 5 | WSW | 21 | 12.4 | |
| 1 | 7 | WNW | 14 | 12.8 | |
| 1 | 8 | ESE | 6 | 13.0 | |
| 2 | 7 | WSW | 12 | 12.5 | |
| 2 | 7 | WSW | 13 | 12.2 | |
| 2 | 8 | WSW | 12 | 12.3 | |
| 3 | 9 | SSE | 10 | 12.3 | |
| 2 | 8 | SE | 12 | 12.3 | |
| 1 | 6 | S | 14 | 12.1 | |
| 1 | 7 | E | 17 | 11.9 | |
| 1 | 7 | SE | 6 | 12.3 | |
| 2 | 5 | WSW | 19 | 11.8 | |
| 2 | 7 | WSW | 16 | 11.7 | |
| 2 | 6 | SW | 20 | 11.7 | |
| 2 | 6 | SW | 17 | 11.9 | |
| 1 | 7 | ESE | 13 | 12.0 | |
| 2 | 5 | ENE | 21 | 11.5 | |
| 1 | 7 | NW | 9 | 11.9 | |
| 1 | 8 | WSW | 13 | 11.4 | |
| 1 | 7 | WNW | 10 | 11.4 | |
| 1 | 7 | SW | 11 | 11.1 | |
| 1 | 8 | ENE | 7 | 11.2 | |
| 1 | 9 | N | 9 | 10.9 | |
| 1 | 8 | NE | 5 | 10.9 |
Realtime data displayed on this page is from the
Met Office Marine observations
.