Greenwich wave buoy daily averages for Oct 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
3 ft
0 — 8.5 ft
Average Wave period
6 secs
0 — 9 secs
Average Water temperature
16 °C
15.2 — 17 °C
Average Wind
WSW, 22 mph
2 — 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) |
|---|---|---|---|---|---|
| 5 | 6 | SSW | 29 | 16.9 | |
| 5 | 6 | WSW | 31 | 16.8 | |
| 2 | 6 | WNW | 19 | 16.7 | |
| 2 | 6 | W | 25 | 16.7 | |
| 4 | 6 | NW | 26 | 16.6 | |
| 1 | 5 | NW | 19 | 16.5 | |
| 4 | 6 | W | 29 | 16.4 | |
| 2 | 7 | NW | 14 | 16.5 | |
| 1 | 6 | WSW | 17 | 16.4 | |
| 2 | 5 | WSW | 23 | 16.4 | |
| 3 | 5 | SW | 30 | 16.4 | |
| 3 | 6 | WSW | 19 | 16.4 | |
| 2 | 6 | SW | 19 | 16.5 | |
| 2 | 7 | SSW | 12 | 16.5 | |
| 2 | 7 | S | 16 | 16.5 | |
| 2 | 5 | SSW | 24 | 16.5 | |
| 4 | 7 | W | 16 | 16.3 | |
| 1 | 6 | SSE | 13 | 16.4 | |
| 2 | 7 | SSE | 22 | 16.4 | |
| 6 | 7 | SW | 34 | 16.2 | |
| 4 | 4 | SW | 40 | 16.1 | |
| 6 | 6 | WNW | 35 | 15.9 | |
| 4 | 6 | WSW | 25 | 15.9 | |
| 3 | 5 | SW | 24 | 16.0 | |
| 3 | 7 | SW | 18 | 16.0 | |
| 1 | 7 | WSW | 10 | 16.0 | |
| 1 | 7 | N | 14 | 16.0 | |
| 2 | 6 | WNW | 28 | 15.8 | |
| 2 | 4 | NNW | 27 | 15.7 | |
| 1 | 6 | NNE | 14 | 15.4 | |
| 1 | 4 | WSW | 15 | 15.4 |