Greenwich wave buoy daily averages for Sep 2019 last observation shown oldest observation available Monthly averages for
Average Wave Height
3 ft
0.3 — 10.5 ft
Average Wave period
6 secs
3 — 8 secs
Average Water temperature
18 °C
17 — 18.2 °C
Average Wind
W, 21 mph
2 — 44 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) |
|---|---|---|---|---|---|
| 3 | 6 | WSW | 22 | 17.1 | |
| 9 | 7 | WSW | 39 | 17.2 | |
| 6 | 7 | WSW | 32 | 17.2 | |
| 8 | 7 | WSW | 34 | 17.2 | |
| 5 | 6 | SW | 29 | 17.4 | |
| 7 | 7 | WSW | 30 | 17.4 | |
| 5 | 7 | SSW | 30 | 17.5 | |
| 4 | 6 | SSW | 27 | 17.5 | |
| 1 | 5 | S | 18 | 17.6 | |
| 2 | 5 | E | 22 | 17.6 | |
| 2 | 5 | E | 26 | 17.5 | |
| 1 | 5 | ENE | 18 | 17.5 | |
| 2 | 5 | NE | 20 | 17.5 | |
| 1 | 5 | NE | 16 | 17.7 | |
| 1 | 5 | WNW | 12 | 17.8 | |
| 1 | 5 | WNW | 11 | 17.7 | |
| 1 | 6 | ENE | 15 | 17.6 | |
| 2 | 6 | NNE | 17 | 17.7 | |
| 2 | 6 | WSW | 22 | 17.7 | |
| 3 | 6 | WSW | 24 | 17.6 | |
| 1 | 6 | NW | 13 | 17.6 | |
| 1 | 5 | SSW | 15 | 17.4 | |
| 1 | 5 | NW | 16 | 17.5 | |
| 2 | 6 | N | 18 | 17.6 | |
| 3 | 6 | W | 21 | 17.6 | |
| 3 | 6 | NNW | 20 | 17.6 | |
| 4 | 6 | W | 28 | 17.7 | |
| 2 | 5 | W | 21 | 17.8 | |
| 1 | 5 | W | 10 | 17.8 | |
| 2 | 6 | NW | 2 | 17.8 |
Realtime data displayed on this page is from the
Met Office Marine observations
.