Greenwich wave
buoy monthly averages for 2018 last observation shown
oldest observation available
Average Wave Height
3 ft
1 — 5 ft
Average Wave period
6 secs
5.7 — 7.1 secs
Average Water temperature
13 °C
8.1 — 17.8 °C
Average Wind
WNW, 19 mph
12 — 26 mph
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 4.4 | 6.9 | SW | 24 | 12.2 | |
| 3.7 | 6.3 | SSE | 24 | 14.0 | |
| 2.2 | 6.1 | NNW | 19 | 16.5 | |
| 1.9 | 5.7 | WNW | 17 | 17.6 | |
| 1.6 | 5.9 | W | 16 | 17.8 | |
| 1.0 | 5.7 | WNW | 12 | 16.5 | |
| 1.3 | 5.9 | NNE | 16 | 13.4 | |
| 1.3 | 6 | NNE | 13 | 11.1 | |
| 2.2 | 6.9 | SSE | 17 | 9.2 | |
| 2.6 | 6.2 | SSE | 19 | 8.1 | |
| 3.4 | 6.3 | N | 25 | 8.8 | |
| 5.0 | 7.1 | WSW | 26 | 10.0 |
Realtime data displayed on this page is from the Met
Office
Marine observations.