Greenwich wave buoy daily averages for Aug 2015 last observation shown Data available: to Monthly averages for
Average Wave Height
1 ft
0 — 2.6 ft
Average Wave period
6 secs
0 — 25 secs
Average Water temperature
17 °C
12.4 — 18.4 °C
Average Wind
WSW, 13 mph
2 — 33 mph
Chart showing grouped wave observations for Greenwich. Use the table on this page for a text version of the same measurements.
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 | 5 | WNW | 11 | 16.2 | |
| 1 | 6 | ESE | 13 | 16.2 | |
| 1 | 6 | SW | 13 | 16.3 | |
| 2 | 6 | WSW | 18 | 16.2 | |
| 2 | 7 | SE | 9 | 16.5 | |
| 2 | 7 | SW | 16 | 16.4 | |
| 1 | 7 | W | 7 | 16.9 | |
| 1 | 7 | ENE | 6 | 17.0 | |
| 1 | 6 | WNW | 10 | 17.4 | |
| 1 | 7 | WSW | 11 | 16.8 | |
| 1 | 7 | NNE | 9 | 16.7 | |
| 1 | 5 | NE | 20 | 16.7 | |
| 2 | 5 | ENE | 17 | 16.5 | |
| 1 | 5 | SSW | 13 | 16.9 | |
| 2 | 6 | WNW | 17 | 16.8 | |
| 1 | 6 | NNE | 8 | 17.0 | |
| 1 | 6 | NNE | 8 | 17.1 | |
| 1 | 6 | W | 14 | 16.8 | |
| 1 | 5 | SW | 13 | 16.8 | |
| 1 | 6 | SSW | 11 | 17.0 | |
| 1 | 6 | SSW | 6 | 17.5 | |
| 1 | 7 | E | 14 | 17.6 | |
| 2 | 6 | SSW | 16 | 17.3 | |
| 2 | 5 | E | 19 | 17.2 | |
| 0 | 4 | WSW | 26 | 16.9 | |
| - | - | - | - | - | |
| 2 | 6 | WSW | 22 | 17.0 | |
| 2 | 6 | SW | 14 | 17.1 | |
| 1 | 6 | E | 10 | 17.1 | |
| 1 | 6 | NNE | 12 | 17.3 | |
| 1 | 5 | N | 14 | 17.1 |