Greenwich wave buoy daily averages for Aug 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0.7 — 12.8 ft
Average Wave period
7 secs
4 — 26 secs
Average Water temperature
17 °C
16.3 — 19.2 °C
Average Wind
W, 9 mph
0 — 29 mph
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) |
|---|---|---|---|---|---|
| 2 | 6 | SW | 15 | 17.4 | |
| 2 | 5 | WNW | 20 | 17.5 | |
| 1 | 8 | WNW | 12 | 17.7 | |
| 1 | 7 | NW | 12 | 17.8 | |
| 2 | 6 | W | 17 | 17.6 | |
| 2 | 6 | WSW | 20 | 17.6 | |
| 1 | 9 | WNW | 16 | 17.7 | |
| 1 | 15 | N | 10 | 17.9 | |
| 1 | 10 | NE | 7 | 18.0 | |
| 1 | 9 | WSW | 9 | 17.7 | |
| 1 | 9 | WSW | 9 | 17.7 | |
| 2 | 8 | WSW | 6 | 17.8 | |
| 2 | 7 | SW | 12 | 17.5 | |
| 1 | 6 | ENE | 17 | 17.4 | |
| 2 | 7 | ENE | 22 | 17.4 | |
| 1 | 9 | NE | 6 | 17.8 | |
| 1 | 7 | W | 11 | 17.4 | |
| 2 | 7 | SSW | 14 | 17.2 | |
| 3 | 7 | SW | 15 | 17.2 | |
| 2 | 8 | SW | 19 | 17.3 | |
| 1 | 10 | SW | 10 | 17.6 | |
| 1 | 8 | - | 17.5 | ||
| 2 | 7 | - | 17.3 | ||
| 2 | 6 | - | 16.7 | ||
| 2 | 6 | - | 16.7 | ||
| 4 | 6 | - | 16.6 | ||
| 5 | 6 | - | 16.6 | ||
| 2 | 7 | - | 16.8 | ||
| 4 | 8 | - | 16.7 | ||
| 8 | 7 | - | 16.6 | ||
| 4 | 6 | - | 16.6 |