Greenwich wave buoy daily averages for Sep 2022 last observation shown oldest observation available Monthly averages for
Average Wave Height
2 ft
0.7 — 10.5 ft
Average Wave period
7 secs
4 — 26 secs
Average Water temperature
18 °C
17.3 — 19.5 °C
Average Wind
NNW, 16 mph
1 — 45 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 | SW | 24 | 17.6 | |
| 1 | 8 | N | 8 | 17.7 | |
| 2 | 7 | NW | 12 | 17.6 | |
| 4 | 6 | WNW | 25 | 17.6 | |
| 4 | 6 | WNW | 27 | 17.9 | |
| 2 | 6 | NNW | 19 | 18.0 | |
| 2 | 5 | N | 24 | 18.1 | |
| 1 | 7 | WSW | 15 | 18.2 | |
| 1 | 9 | S | 10 | 18.4 | |
| 1 | 10 | SE | 5 | 18.5 | |
| 1 | 8 | NNE | 9 | 18.4 | |
| 1 | 7 | NNW | 9 | 18.3 | |
| 1 | 6 | NW | 17 | 18.3 | |
| 2 | 6 | NNW | 16 | 18.2 | |
| 2 | 5 | N | 17 | 18.4 | |
| 1 | 7 | NNW | 13 | 18.6 | |
| 2 | 6 | NNE | 18 | 18.6 | |
| 2 | 7 | NE | 23 | 18.7 | |
| 1 | 7 | ESE | 11 | 18.8 | |
| 1 | 9 | SE | 8 | 18.8 | |
| 2 | 7 | WNW | 13 | 18.7 | |
| 6 | 6 | W | 28 | 18.5 | |
| 5 | 6 | SSW | 26 | 18.6 | |
| 4 | 6 | SSW | 19 | 18.8 | |
| 3 | 8 | S | 18 | 18.8 | |
| 2 | 7 | SSE | 11 | 19.0 | |
| 1 | 6 | SE | 16 | 18.9 | |
| 1 | 14 | S | 7 | 18.9 | |
| 1 | 8 | E | 8 | 18.8 | |
| 2 | 6 | NE | 22 | 18.7 |
Realtime data displayed on this page is from the
Met Office Marine observations
.