Greenwich wave buoy daily averages for Dec 2015 last observation shown oldest observation available Monthly averages for
Average Wave Height
5 ft
1.6 — 36.4 ft
Average Wave period
7 secs
2 — 9 secs
Average Water temperature
13 °C
12.4 — 13.6 °C
Average Wind
SSW, 28 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) |
|---|---|---|---|---|---|
| 9 | 8 | SW | 36 | 12.4 | |
| 7 | 7 | S | 37 | 12.6 | |
| 6 | 6 | SSW | 28 | 12.7 | |
| 3 | 6 | SSE | 27 | 12.7 | |
| 5 | 7 | SSW | 25 | 12.8 | |
| 5 | 6 | SSW | 29 | 12.8 | |
| 6 | 6 | SSW | 27 | 12.7 | |
| 7 | 7 | SW | 33 | 12.8 | |
| 7 | 7 | SW | 29 | 12.9 | |
| 7 | 7 | SSW | 35 | 13.0 | |
| 8 | 7 | SW | 36 | 12.9 | |
| 5 | 7 | SSW | 28 | 13.1 | |
| 4 | 7 | S | 27 | 13.1 | |
| 3 | 7 | SSW | 19 | 13.1 | |
| 4 | 7 | SSW | 25 | 13.1 | |
| 4 | 7 | SW | 24 | 13.1 | |
| 3 | 7 | S | 21 | 12.9 | |
| 3 | 6 | S | 18 | 12.9 | |
| 4 | 6 | SSW | 20 | 13.1 | |
| 4 | 7 | WSW | 21 | 13.0 | |
| 5 | 7 | W | 25 | 13.1 | |
| 7 | 7 | SSW | 33 | 13.0 | |
| 5 | 7 | WSW | 23 | 13.1 | |
| 5 | 7 | SW | 30 | 13.3 | |
| 5 | 7 | S | 24 | 13.3 | |
| 8 | 7 | SW | 31 | 13.3 | |
| 8 | 7 | SW | 35 | 13.2 | |
| 6 | 7 | WSW | 31 | 13.3 | |
| 5 | 7 | SSW | 30 | 13.4 | |
| 4 | 6 | SSW | 27 | 13.5 | |
| 6 | 7 | W | 30 | 13.5 |
Realtime data displayed on this page is from the
Met Office Marine observations
.