Greenwich wave buoy daily averages for Sep 2016 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 3.9 ft
Average Wave period
7 secs
0 — 10 secs
Average Water temperature
18 °C
17.4 — 19.3 °C
Average Wind
SW, 16 mph
2 — 34 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 | 8 | W | 14 | 17.7 | |
| 1 | 6 | SW | 17 | 17.6 | |
| 1 | 6 | WSW | 15 | 17.7 | |
| 3 | 6 | WSW | 26 | 17.7 | |
| 2 | 7 | WSW | 16 | 17.7 | |
| 2 | 8 | W | 9 | 18.0 | |
| 1 | 9 | SE | 13 | 18.1 | |
| 2 | 7 | SW | 22 | 17.9 | |
| 3 | 7 | SSW | 17 | 17.9 | |
| 3 | 7 | SSW | 18 | 17.9 | |
| 2 | 8 | NE | 10 | 18.1 | |
| 1 | 8 | ESE | 11 | 18.5 | |
| 2 | 9 | E | 15 | 18.7 | |
| 2 | 7 | S | 13 | 18.6 | |
| 1 | 8 | SW | 11 | 18.2 | |
| 2 | 5 | W | 22 | 17.9 | |
| 3 | 5 | NNW | 27 | 17.7 | |
| 1 | 5 | NNW | 15 | 17.9 | |
| 1 | 6 | NNW | 11 | 18.0 | |
| 1 | 8 | NNE | 9 | 18.0 | |
| 1 | 8 | ESE | 11 | 18.1 | |
| 1 | 7 | WSW | 12 | 18.0 | |
| 1 | 7 | NNW | 8 | 18.1 | |
| 1 | 6 | S | 19 | 18.0 | |
| 3 | 6 | SW | 26 | 17.9 | |
| 3 | 7 | SSW | 12 | 17.8 | |
| 2 | 6 | SSW | 21 | 17.8 | |
| 3 | 6 | WSW | 24 | 17.8 | |
| 3 | 6 | WSW | 28 | 17.7 | |
| 2 | 6 | WSW | 17 | 17.7 |