Greenwich wave buoy daily averages for Jun 2018 last observation shown oldest observation available Monthly averages for
Average Wave Height
1 ft
0.3 — 3.9 ft
Average Wave period
6 secs
2 — 26 secs
Average Water temperature
13 °C
11.9 — 16.6 °C
Average Wind
NNE, 16 mph
2 — 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 | NE | 22 | 14.5 | |
| 2 | 5 | NE | 21 | 14.4 | |
| 1 | 5 | NE | 20 | 14.4 | |
| 2 | 5 | ENE | 22 | 14.1 | |
| 1 | 9 | ENE | 16 | 14.5 | |
| 0 | 8 | N | 8 | 15.0 | |
| 0 | 8 | NE | 10 | 14.3 | |
| 1 | 5 | WSW | 12 | 14.0 | |
| 1 | 6 | NNW | 9 | 14.1 | |
| 1 | 6 | NW | 17 | 13.7 | |
| 1 | 7 | WSW | 14 | 13.5 | |
| 2 | 6 | WSW | 16 | 13.4 | |
| 2 | 6 | WSW | 22 | 13.3 | |
| 2 | 6 | WSW | 20 | 13.2 | |
| 2 | 6 | SW | 19 | 13.1 | |
| 2 | 7 | W | 14 | 13.1 | |
| 2 | 5 | SW | 21 | 12.9 | |
| 1 | 5 | S | 8 | 13.2 | |
| 1 | 5 | NE | 16 | 12.8 | |
| 1 | 5 | NE | 19 | 12.8 | |
| 1 | 5 | ENE | 18 | 12.9 | |
| 1 | 6 | NE | 18 | 12.9 | |
| 1 | 6 | ENE | 14 | 13.2 | |
| 1 | 6 | ENE | 13 | 12.8 | |
| 2 | 6 | NE | 17 | 12.5 | |
| 2 | 5 | NE | 21 | 12.4 | |
| 1 | 6 | NE | 18 | 12.6 | |
| 1 | 6 | NNE | 9 | 13.1 | |
| 1 | 6 | WSW | 12 | 12.2 | |
| 1 | 7 | SW | 12 | 12.1 |
Realtime data displayed on this page is from the
Met Office Marine observations
.