Greenwich wave
buoy daily averages for Jan 2011 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
3 ft
0.3 — 10.2 ft
Average Wave period
6 secs
4 — 26 secs
Average Water temperature
8 °C
7 — 9 °C
Average Wind
WNW, 22 mph
2 — 48 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 0.9 | 5.6 | NNE | 11 | 8.0 | |
| 3.3 | 6 | NE | 26 | 8.0 | |
| 2.0 | 5.2 | NE | 23 | 8.0 | |
| 3.7 | 5.9 | ENE | 30 | 7.9 | |
| 4.0 | 6 | ENE | 33 | 8.0 | |
| 1.4 | 5.1 | NNE | 22 | 8.0 | |
| 1.4 | 4.8 | WNW | 21 | 8.0 | |
| 1.7 | 4.8 | N | 20 | 8.0 | |
| 2.4 | 5.3 | NNE | 22 | 8.0 | |
| 1.9 | 4.9 | N | 23 | 8.0 | |
| 1.3 | 5.2 | NNE | 18 | 8.0 | |
| 1.4 | 5 | NNE | 20 | 8.0 | |
| 1.3 | 6.8 | N | 15 | 8.1 | |
| 2.5 | 6.3 | NNW | 19 | 8.0 | |
| 4.0 | 7.3 | SSW | 20 | 8.0 | |
| 4.8 | 7 | S | 27 | 8.3 | |
| 4.6 | 6.9 | SSW | 25 | 9.0 | |
| 5.1 | 7.1 | SW | 28 | 9.0 | |
| 5.5 | 7 | WSW | 32 | 9.0 | |
| 4.7 | 6.8 | SW | 30 | 9.0 | |
| 5.3 | 6.4 | W | 28 | 9.0 | |
| 3.3 | 6 | S | 28 | 9.0 | |
| 2.7 | 6.7 | W | 20 | 9.0 | |
| 5.5 | 6.7 | SW | 31 | 9.0 | |
| 1.8 | 5.3 | SSE | 23 | 9.0 | |
| 2.0 | 5.3 | S | 17 | 9.0 | |
| 4.1 | 5.6 | SSW | 29 | 9.0 | |
| 2.3 | 5.1 | SW | 18 | 9.0 | |
| 1.1 | 6.6 | SSW | 12 | 9.0 | |
| 1.2 | 7 | NNE | 13 | 9.0 | |
| 0.8 | 7.5 | N | 13 | 9.0 |
Realtime data displayed on this page is from the Met
Office
Marine observations.