Greenwich wave
buoy daily averages for Apr 2010 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.5 — 4.2 ft
Average Wave period
6 secs
4.6 — 8.7 secs
Average Water temperature
0 °C
0 — 0 °C
Average Wind
NNE, 17 mph
6 — 26 mph
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 1.9 | 6.3 | WSW | 20 | 0.0 | |
| 3.0 | 8.7 | WSW | 12 | 0.0 | |
| 1.2 | 7.9 | SE | 12 | 0.0 | |
| 1.3 | 7.4 | SW | 7 | 0.0 | |
| 1.5 | 6.4 | W | 18 | 0.0 | |
| 0.9 | 6.5 | WSW | 16 | 0.0 | |
| 0.8 | 6.4 | E | 13 | 0.0 | |
| 0.8 | 5.6 | ENE | 15 | 0.0 | |
| 1.2 | 4.9 | ENE | 20 | 0.0 | |
| 0.7 | 4.9 | N | 12 | 0.0 | |
| 0.7 | 4.8 | WNW | 16 | 0.0 | |
| 0.5 | 7.6 | ENE | 11 | 0.0 | |
| 0.5 | 8.7 | E | 8 | 0.0 | |
| 0.8 | 4.6 | ENE | 14 | 0.0 | |
| 2.3 | 5.5 | NE | 25 | 0.0 | |
| 1.7 | 5 | NE | 22 | 0.0 | |
| 1.4 | 5.3 | NNE | 17 | 0.0 | |
| 2.3 | 5.5 | NNE | 21 | 0.0 | |
| 2.7 | 5.6 | NNE | 23 | 0.0 | |
| 2.5 | 5.5 | NE | 25 | 0.0 | |
| 0.8 | 7.2 | ENE | 15 | 0.0 | |
| 1.1 | 7.1 | WNW | 6 | 0.0 | |
| 1.9 | 7.4 | NW | 12 | 0.0 | |
| 2.7 | 8.4 | WNW | 14 | 0.0 | |
| 2.6 | 7.7 | SSE | 18 | 0.0 | |
| 2.1 | 5.8 | SSW | 19 | 0.0 | |
| 3.6 | 6.5 | WNW | 24 | 0.0 | |
| 4.2 | 6.9 | S | 21 | 0.0 | |
| 3.1 | 5.5 | S | 25 | 0.0 | |
| 3.7 | 6 | WSW | 26 | 0.0 |
Realtime data displayed on this page is from the Met
Office
Marine observations.