Greenwich wave buoy daily averages for May 2014 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0 — 4.6 ft
Average Wave period
6 secs
4 — 26 secs
Average Water temperature
12 °C
-0.7 — 13.8 °C
Average Wind
SSW, 16 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 | 7 | W | 11 | 11.3 | |
| 2 | 6 | NNE | 20 | 11.2 | |
| 1 | 6 | NE | 14 | 10.9 | |
| 1 | 7 | ESE | 9 | 11.6 | |
| 1 | 7 | SE | 13 | 11.6 | |
| 2 | 7 | WSW | 18 | 11.7 | |
| 3 | 6 | WSW | 27 | 11.5 | |
| 4 | 6 | SW | 30 | 11.5 | |
| 4 | 7 | W | 24 | 11.6 | |
| 4 | 6 | SSW | 29 | 11.6 | |
| - | - | - | - | - | |
| 4 | 7 | W | 27 | 11.8 | |
| 2 | 6 | WNW | 16 | 11.9 | |
| 1 | 6 | WNW | 14 | 12.0 | |
| 1 | 7 | E | 9 | 12.3 | |
| 1 | 7 | NNE | 9 | 12.4 | |
| 1 | 7 | NNW | 6 | 12.5 | |
| 1 | 8 | E | 11 | 12.7 | |
| 1 | 8 | ESE | 16 | 12.6 | |
| 1 | 6 | SSE | 12 | 12.5 | |
| 1 | 7 | NE | 12 | 12.4 | |
| 1 | 5 | SSE | 20 | 12.5 | |
| 3 | 6 | SSE | 20 | 12.7 | |
| 1 | 5 | S | 17 | 12.6 | |
| 2 | 5 | S | 12 | 12.9 | |
| 1 | 5 | N | 17 | 12.6 | |
| 1 | 4 | NW | 18 | 12.6 | |
| 1 | 4 | WNW | 19 | 12.6 | |
| 1 | 5 | SSE | 11 | 12.8 | |
| 1 | 6 | ENE | 17 | 12.9 | |
| - | - | - | - | - |