Greenwich wave buoy daily averages for Apr 2013 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 5.6 ft
Average Wave period
6 secs
0 — 26 secs
Average Water temperature
7 °C
3.4 — 8.9 °C
Average Wind
WSW, 20 mph
2 — 66 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) |
|---|---|---|---|---|---|
| 4 | 6 | ENE | 31 | 6.8 | |
| 4 | 6 | NE | 31 | 6.8 | |
| 4 | 6 | NNE | 28 | 6.6 | |
| 4 | 6 | NE | 31 | 6.3 | |
| 4 | 6 | NNE | 31 | 6.1 | |
| 2 | 5 | NE | 18 | 6.1 | |
| 1 | 6 | E | 17 | 6.2 | |
| 2 | 7 | E | 18 | 6.3 | |
| 2 | 7 | SE | 15 | 6.5 | |
| 3 | 8 | E | 13 | 6.5 | |
| 3 | 7 | SW | 17 | 6.8 | |
| 4 | 7 | SW | 27 | 6.8 | |
| 3 | 6 | SSW | 24 | 6.9 | |
| 3 | 7 | SSW | 19 | 7.2 | |
| 4 | 9 | SSW | 15 | 7.5 | |
| 3 | 8 | SSW | 19 | 7.2 | |
| 3 | 8 | SSW | 18 | 7.6 | |
| 5 | 7 | WSW | 31 | 7.6 | |
| 4 | 8 | W | 20 | 7.7 | |
| 2 | 7 | ENE | 18 | 7.7 | |
| 1 | 7 | W | 12 | 7.9 | |
| 1 | 6 | SW | 17 | 7.9 | |
| 2 | 6 | WSW | 20 | 7.9 | |
| 1 | 6 | WSW | 14 | 7.9 | |
| 1 | 7 | SW | 8 | 8.1 | |
| 1 | 5 | WNW | 16 | 8.0 | |
| 1 | 5 | N | 15 | 8.1 | |
| 1 | 5 | WNW | 14 | 8.2 | |
| 2 | 6 | W | 23 | 8.4 | |
| 1 | 5 | NNE | 24 | 8.4 |