Greenwich wave
buoy daily averages for Feb 2017 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
3 ft
0.3 — 13.8 ft
Average Wave period
7 secs
4 — 11 secs
Average Water temperature
9 °C
8.7 — 9.7 °C
Average Wind
SSW, 23 mph
5 — 51 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 7.3 | 7.4 | WSW | 33 | 9.3 | |
| 7.5 | 7 | SW | 34 | 9.4 | |
| 4.7 | 6.3 | SW | 27 | 9.4 | |
| 3.3 | 5.8 | SSW | 25 | 9.2 | |
| 3.8 | 6.8 | WNW | 23 | 9.2 | |
| 9.2 | 7.6 | WSW | 41 | 9.3 | |
| 6.3 | 6.9 | WSW | 37 | 9.3 | |
| 3.4 | 6.5 | W | 28 | 9.2 | |
| 2.0 | 6.9 | W | 23 | 9.2 | |
| 1.9 | 8.5 | WSW | 17 | 9.1 | |
| 0.9 | 8.3 | SSE | 11 | 9.0 | |
| 1.0 | 6.5 | WSW | 13 | 9.1 | |
| 1.1 | 7 | WSW | 12 | 9.0 | |
| 0.9 | 5.1 | S | 16 | 9.0 | |
| 2.2 | 5.3 | ESE | 20 | 8.9 | |
| 4.1 | 5.9 | E | 34 | 8.9 | |
| 1.8 | 5.3 | E | 26 | 8.8 | |
| 1.7 | 5 | NNE | 22 | 8.8 | |
| 1.7 | 5.9 | NE | 20 | 9.0 | |
| 2.2 | 6.8 | ENE | 21 | 9.1 | |
| 3.1 | 8.6 | NNE | 17 | 9.3 | |
| 3.2 | 7.1 | W | 17 | 9.5 | |
| 3.0 | 7.9 | ESE | 17 | 9.4 | |
| 2.8 | 6.8 | NE | 23 | 9.4 | |
| 4.0 | 7.7 | SSW | 16 | 9.4 | |
| 5.9 | 7.5 | S | 30 | 9.6 | |
| 4.0 | 6.2 | SSE | 31 | 9.6 | |
| 2.7 | 6.9 | S | 22 | 9.6 |
Realtime data displayed on this page is from the Met
Office
Marine observations.