Greenwich wave
buoy daily averages for Mar 2013 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
3 ft
0 — 33.8 ft
Average Wave period
6 secs
4 — 26 secs
Average Water temperature
7 °C
6.6 — 7.9 °C
Average Wind
ENE, 22 mph
2 — 60 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 1.9 | 6.5 | ENE | 21 | 6.8 | |
| 2.0 | 5.8 | NE | 21 | 6.8 | |
| 1.5 | 5 | NE | 22 | 6.9 | |
| 1.2 | 5 | NNE | 18 | 7.0 | |
| 1.6 | 5.1 | ENE | 19 | 7.0 | |
| 2.6 | 5.7 | NE | 24 | 7.0 | |
| 3.6 | 6 | ENE | 28 | 7.0 | |
| 3.8 | 6.3 | ENE | 28 | 7.1 | |
| 4.0 | 6.6 | ENE | 28 | 7.2 | |
| 4.5 | 6.1 | E | 33 | 7.2 | |
| 1.8 | 5.1 | E | 25 | 7.2 | |
| 1.6 | 5.9 | N | 16 | 7.3 | |
| 1.4 | 6.9 | NNE | 10 | 7.2 | |
| 1.5 | 6.3 | SW | 9 | 7.1 | |
| 3.2 | 6 | SW | 20 | 7.0 | |
| 7.8 | 6.7 | S | 40 | 7.0 | |
| 4.5 | 5.9 | SW | 31 | 7.0 | |
| 0.8 | 4.5 | NW | 16 | 7.0 | |
| 1.5 | 4.9 | N | 19 | 7.0 | |
| 7.7 | 7 | NNE | 39 | 6.9 | |
| 7.3 | 6.9 | ENE | 43 | 7.1 | |
| 3.0 | 6.7 | NE | 26 | 7.5 | |
| 3.5 | 8 | W | 10 | 7.6 | |
| 1.3 | 7.9 | N | 13 | 7.6 | |
| 1.1 | 8.8 | ESE | 13 | 7.7 | |
| 0.5 | 8.9 | ESE | 14 | 7.7 | |
| 0.5 | 6.8 | ESE | 14 | 7.6 | |
| 1.4 | 4.8 | E | 22 | 7.5 | |
| 1.4 | 5 | E | 27 | 7.4 | |
| 1.2 | 5 | NE | 18 | 7.5 | |
| 1.8 | 5 | NE | 23 | 7.5 |
Realtime data displayed on this page is from the Met
Office
Marine observations.