Greenwich wave buoy daily averages for Sep 2015 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 5.6 ft
Average Wave period
5 secs
0 — 7 secs
Average Water temperature
17 °C
16.2 — 18.1 °C
Average Wind
NNW, 19 mph
2 — 37 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 | NW | 17 | 17.1 | |
| 1 | 5 | NW | 12 | 17.1 | |
| 1 | 5 | NW | 15 | 17.0 | |
| 1 | 5 | NNW | 12 | 17.0 | |
| 1 | 5 | NNW | 15 | 16.9 | |
| 1 | 6 | NNW | 13 | 17.0 | |
| 1 | 5 | NNE | 11 | 17.3 | |
| 1 | 5 | NE | 20 | 17.1 | |
| 2 | 5 | ENE | 23 | 17.1 | |
| 2 | 6 | ENE | 20 | 17.2 | |
| 1 | 6 | ESE | 18 | 17.2 | |
| 3 | 6 | SW | 22 | 17.1 | |
| 1 | 6 | ESE | 16 | 16.9 | |
| 2 | 4 | SSW | 26 | 16.9 | |
| 4 | 6 | S | 14 | 16.8 | |
| 2 | 5 | SE | 22 | 16.7 | |
| 2 | 5 | W | 22 | 16.7 | |
| 3 | 6 | WSW | 19 | 16.7 | |
| 1 | 6 | NNW | 10 | 16.8 | |
| 1 | 6 | WSW | 10 | 16.8 | |
| 2 | 6 | SW | 21 | 16.7 | |
| 4 | 6 | WNW | 24 | 16.6 | |
| 3 | 6 | WNW | 23 | 16.6 | |
| 3 | 6 | W | 25 | 16.6 | |
| 1 | 6 | WNW | 13 | 16.7 | |
| 1 | 6 | NE | 17 | 16.6 | |
| 2 | 5 | ENE | 26 | 16.5 | |
| 3 | 5 | ENE | 26 | 16.4 | |
| 3 | 6 | ENE | 29 | 16.4 | |
| 3 | 6 | ENE | 28 | 16.3 |