Greenwich wave buoy daily averages for Nov 2018 last observation shown Data available: to Monthly averages for
Average Wave Height
4 ft
0.7 — 7.9 ft
Average Wave period
6 secs
4 — 10 secs
Average Water temperature
14 °C
12.6 — 15.6 °C
Average Wind
SSE, 24 mph
5 — 47 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) |
|---|---|---|---|---|---|
| 2 | 5 | WSW | 22 | 15.2 | |
| 1 | 6 | NW | 11 | 15.1 | |
| 2 | 6 | S | 23 | 14.9 | |
| 4 | 7 | SSE | 22 | 14.9 | |
| 2 | 7 | SE | 19 | 15.0 | |
| 2 | 6 | S | 23 | 15.0 | |
| 7 | 7 | SSW | 36 | 14.8 | |
| 5 | 6 | S | 27 | 14.6 | |
| 4 | 6 | S | 30 | 14.6 | |
| 5 | 6 | SSW | 28 | 14.6 | |
| 6 | 7 | SSW | 29 | 14.5 | |
| 5 | 6 | SSW | 27 | 14.5 | |
| 5 | 7 | WSW | 26 | 14.4 | |
| 3 | 7 | S | 21 | 14.5 | |
| 3 | 7 | SSE | 16 | 14.5 | |
| 2 | 8 | E | 14 | 14.3 | |
| 3 | 6 | E | 26 | 14.0 | |
| 4 | 7 | ENE | 30 | 13.8 | |
| 6 | 7 | ENE | 34 | 13.4 | |
| 5 | 6 | ENE | 26 | 13.0 | |
| 3 | 6 | SSE | 18 | 12.9 | |
| 1 | 6 | E | 18 | 13.0 | |
| 1 | 5 | ESE | 17 | 13.2 | |
| 1 | 5 | ESE | 15 | 13.1 | |
| 2 | 5 | ENE | 23 | 13.1 | |
| 2 | 5 | N | 19 | 13.0 | |
| 3 | 7 | S | 21 | 12.9 | |
| 6 | 7 | SSW | 31 | 13.2 | |
| 7 | 7 | SSW | 39 | 13.2 | |
| 5 | 7 | WSW | 25 | 13.0 |