Greenwich wave buoy daily averages for Aug 2019 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 4.6 ft
Average Wave period
6 secs
3 — 26 secs
Average Water temperature
18 °C
17 — 20.4 °C
Average Wind
WSW, 15 mph
2 — 38 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 | WSW | 11 | 17.3 | |
| 1 | 6 | WNW | 8 | 17.5 | |
| 1 | 6 | ENE | 11 | 17.4 | |
| 1 | 5 | S | 14 | 17.3 | |
| 2 | 6 | SW | 18 | 17.2 | |
| 2 | 6 | SW | 18 | 17.3 | |
| 2 | 5 | WSW | 20 | 17.3 | |
| 1 | 5 | SSE | 13 | 17.6 | |
| 1 | 5 | S | 21 | 17.5 | |
| - | - | - | - | - | |
| 4 | 6 | WSW | 21 | 17.4 | |
| 2 | 6 | W | 17 | 17.3 | |
| 2 | 5 | W | 18 | 17.3 | |
| 2 | 5 | SSW | 23 | 17.2 | |
| 4 | 6 | W | 25 | 17.5 | |
| 2 | 6 | SSW | 23 | 17.4 | |
| 3 | 6 | WSW | 21 | 17.4 | |
| 2 | 6 | WSW | 20 | 17.3 | |
| 4 | 6 | WSW | 26 | 17.4 | |
| 2 | 6 | W | 19 | 17.4 | |
| 1 | 6 | SW | 8 | 17.7 | |
| 1 | 5 | WSW | 11 | 17.7 | |
| 1 | 6 | NNE | 7 | 18.0 | |
| 1 | 6 | ENE | 12 | 18.2 | |
| 1 | 7 | ENE | 10 | 18.8 | |
| 1 | 6 | WNW | 7 | 19.0 | |
| 1 | 6 | NNW | 9 | 19.3 | |
| 1 | 6 | WSW | 14 | 18.5 | |
| 1 | 5 | W | 16 | 17.9 | |
| 1 | 5 | SW | 2 | 18.0 | |
| 1 | 6 | WSW | 3 | 17.9 |