Greenwich wave buoy daily averages for Jan 2015 last observation shown oldest observation available Monthly averages for
Average Wave Height
5 ft
0 — 18.4 ft
Average Wave period
7 secs
0 — 26 secs
Average Water temperature
11 °C
9.5 — 11.5 °C
Average Wind
W, 26 mph
2 — 52 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) |
|---|---|---|---|---|---|
| 4 | 6 | NW | 31 | 9.6 | |
| 7 | 8 | NW | 30 | 9.7 | |
| 6 | 7 | WNW | 32 | 9.8 | |
| 6 | 7 | W | 37 | 10.1 | |
| 2 | 6 | WNW | 20 | 10.2 | |
| 3 | 6 | WNW | 25 | 10.3 | |
| 2 | 6 | WNW | 19 | 10.2 | |
| 4 | 6 | NW | 27 | 10.2 | |
| 1 | 6 | S | 12 | 10.2 | |
| 2 | 7 | NE | 16 | 10.2 | |
| 3 | 6 | SSE | 19 | 10.1 | |
| 2 | 6 | S | 18 | 10.2 | |
| 2 | 6 | NNW | 14 | 10.2 | |
| 3 | 6 | NNW | 19 | 10.4 | |
| 3 | 7 | WSW | 21 | 10.4 | |
| 5 | 7 | W | 22 | 10.6 | |
| 10 | 7 | WSW | 41 | 10.7 | |
| 8 | 7 | WSW | 38 | 10.6 | |
| 7 | 7 | WSW | 33 | 11.0 | |
| 8 | 7 | SW | 39 | 10.9 | |
| 7 | 7 | W | 36 | 10.8 | |
| 9 | 7 | W | 40 | 11.1 | |
| 9 | 7 | WSW | 41 | 11.2 | |
| 6 | 7 | WSW | 31 | 11.1 | |
| 4 | 7 | SW | 24 | 11.1 | |
| 3 | 6 | SW | 23 | 11.2 | |
| 3 | 6 | SSW | 17 | 11.2 | |
| 2 | 8 | ESE | 9 | 11.1 | |
| 5 | 7 | WSW | 26 | 11.3 | |
| 6 | 7 | W | 28 | 11.4 | |
| 6 | 7 | SSW | 33 | 11.3 |
Realtime data displayed on this page is from the
Met Office Marine observations
.