Greenwich wave
buoy daily averages for Sep 2010 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.9 — 6.8 ft
Average Wave period
6 secs
5 — 7.9 secs
Average Water temperature
0 °C
0 — 0 °C
Average Wind
W, 19 mph
8 — 35 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 1.4 | 6.4 | W | 14 | 0.0 | |
| 1.8 | 6.3 | SSW | 17 | 0.0 | |
| 1.0 | 6.8 | WNW | 9 | 0.0 | |
| 1.5 | 5.8 | NNW | 12 | 0.0 | |
| 3.2 | 5.3 | NNW | 31 | 0.0 | |
| 2.7 | 5.5 | NNW | 24 | 0.0 | |
| 2.4 | 5.4 | NNW | 25 | 0.0 | |
| 1.6 | 6.6 | SW | 17 | 0.0 | |
| 1.2 | 7 | S | 12 | 0.0 | |
| 0.9 | 6.2 | SE | 8 | 0.0 | |
| 2.4 | 5.5 | WSW | 20 | 0.0 | |
| 1.5 | 5.2 | WSW | 21 | 0.0 | |
| 1.0 | 5.9 | NW | 13 | 0.0 | |
| 1.4 | 5.3 | NW | 17 | 0.0 | |
| 2.8 | 5.8 | WNW | 21 | 0.0 | |
| 4.6 | 6.3 | W | 29 | 0.0 | |
| 6.8 | 6.8 | WSW | 35 | 0.0 | |
| 2.0 | 5.9 | WNW | 17 | 0.0 | |
| 1.5 | 6.1 | WNW | 17 | 0.0 | |
| 2.3 | 5.8 | SW | 19 | 0.0 | |
| 1.7 | 5.4 | SW | 17 | 0.0 | |
| 1.4 | 5.6 | W | 19 | 0.0 | |
| 1.4 | 5.7 | NW | 18 | 0.0 | |
| 1.9 | 5.8 | SSW | 16 | 0.0 | |
| 2.5 | 5.4 | ESE | 26 | 0.0 | |
| 1.6 | 6 | E | 22 | 0.0 | |
| 1.6 | 7.9 | E | 19 | 0.0 | |
| 1.4 | 7.3 | ENE | 20 | 0.0 | |
| 1.4 | 5.4 | ENE | 22 | 0.0 | |
| 0.9 | 5 | ENE | 20 | 0.0 |
Realtime data displayed on this page is from the Met
Office
Marine observations.