Greenwich wave buoy daily averages for Apr 2014 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 3.9 ft
Average Wave period
7 secs
4 — 26 secs
Average Water temperature
11 °C
9.8 — 12.5 °C
Average Wind
WSW, 15 mph
0 — 35 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) |
|---|---|---|---|---|---|
| 2 | 9 | E | 10 | 10.2 | |
| 1 | 7 | E | 16 | 10.1 | |
| 2 | 7 | SE | 18 | 10.2 | |
| 1 | 7 | WSW | 15 | 10.1 | |
| 1 | 7 | SSW | 15 | 10.2 | |
| 2 | 6 | SSW | 21 | 10.4 | |
| 3 | 7 | SSW | 21 | 10.4 | |
| 4 | 7 | W | 22 | 10.3 | |
| 2 | 7 | W | 14 | 10.5 | |
| 1 | 7 | W | 10 | 10.9 | |
| 1 | 7 | NNW | 9 | 11.2 | |
| 1 | 7 | WSW | 16 | 10.8 | |
| 1 | 6 | W | 16 | 10.8 | |
| 1 | 6 | W | 15 | 10.7 | |
| 1 | 5 | ENE | 21 | 10.6 | |
| 1 | 5 | E | 19 | 10.6 | |
| 1 | 7 | SW | 16 | 10.7 | |
| 1 | 5 | NNE | 20 | 10.8 | |
| 2 | 5 | NE | 23 | 10.7 | |
| 2 | 5 | ENE | 19 | 10.7 | |
| 1 | 5 | NW | 11 | 11.0 | |
| 1 | 6 | SSW | 13 | 11.1 | |
| 1 | 7 | S | 10 | 11.3 | |
| 2 | 8 | NE | 9 | 11.5 | |
| 2 | 7 | NW | 17 | 11.1 | |
| 2 | 6 | S | 23 | 11.1 | |
| 3 | 8 | ESE | 19 | 11.1 | |
| 2 | 8 | ENE | 9 | 11.2 | |
| 1 | 7 | WSW | 7 | 11.4 | |
| 1 | 8 | WSW | 7 | 11.4 |