Greenwich wave buoy daily averages for Oct 2014 last observation shown Data available: to Monthly averages for
Average Wave Height
3 ft
0 — 7.2 ft
Average Wave period
6 secs
0 — 10 secs
Average Water temperature
17 °C
16.2 — 18.7 °C
Average Wind
SW, 21 mph
0 — 49 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 | 6 | WSW | 14 | 17.9 | |
| 1 | 8 | S | 7 | 18.2 | |
| 1 | 8 | SSW | 6 | 18.2 | |
| 2 | 6 | W | 22 | 17.8 | |
| 2 | 7 | NE | 10 | 17.7 | |
| 4 | 6 | SSW | 30 | 17.4 | |
| 4 | 6 | WSW | 28 | 17.3 | |
| 5 | 6 | SSW | 29 | 17.4 | |
| 7 | 7 | SW | 31 | 17.3 | |
| 4 | 6 | SSW | 23 | 17.3 | |
| 1 | 5 | SW | 17 | 17.2 | |
| 2 | 5 | ENE | 24 | 17.1 | |
| 4 | 6 | SW | 28 | 17.1 | |
| 2 | 5 | W | 23 | 17.0 | |
| 1 | 5 | S | 17 | 17.0 | |
| 3 | 7 | SW | 21 | 17.1 | |
| 4 | 8 | SSW | 24 | 17.0 | |
| 4 | 7 | SSW | 23 | 17.1 | |
| 4 | 8 | WSW | 26 | 17.1 | |
| 4 | 7 | W | 27 | 17.0 | |
| 5 | 5 | WSW | 36 | 16.9 | |
| 4 | 6 | WNW | 27 | 16.4 | |
| 3 | 6 | SW | 23 | 16.5 | |
| 3 | 6 | SW | 23 | 16.5 | |
| 1 | 5 | W | 16 | 16.5 | |
| 2 | 5 | SW | 18 | 16.4 | |
| 1 | 5 | S | 16 | 16.5 | |
| 2 | 5 | S | 21 | 16.4 | |
| 1 | 6 | SSW | 13 | 16.4 | |
| 1 | 6 | S | 17 | 16.4 | |
| 1 | 5 | S | 19 | 16.5 |