Ch. Lightship wave buoy daily averages for Aug 2010 last observation shown oldest observation available Monthly averages for
Average Wave Height
 2 ft 
 0.7 — 7.5 ft
   Average Wave period
 6 secs 
 4 — 11 secs
   Average Water temperature
 0 °C 
 0 — 0 °C
   Average Wind
 W, 17 mph 
 3 — 39 mph
  | Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) | 
|---|---|---|---|---|---|
| 2.1 | 8.6 | E | 14 | 0.0 | |
| 2.6 | 8 | N | 13 | 0.0 | |
| 2.4 | 5.5 | WNW | 24 | 0.0 | |
| 2.6 | 7.2 | WNW | 19 | 0.0 | |
| 3.1 | 6.8 | NNW | 19 | 0.0 | |
| 5.1 | 7.4 | WSW | 20 | 0.0 | |
| 3.1 | 6.5 | S | 21 | 0.0 | |
| 3.6 | 6.2 | W | 24 | 0.0 | |
| 4.0 | 6.3 | WSW | 26 | 0.0 | |
| 2.8 | 7.6 | SSW | 14 | 0.0 | |
| 4.1 | 7.1 | SSW | 19 | 0.0 | |
| 4.4 | 7 | SSW | 19 | 0.0 | |
| 2.0 | 5.8 | SSW | 17 | 0.0 | |
| 2.0 | 5.8 | W | 19 | 0.0 | |
| 1.4 | 5.5 | WSW | 18 | 0.0 | |
| 1.2 | 5.3 | WNW | 18 | 0.0 | |
| 1.5 | 5.3 | N | 16 | 0.0 | |
| 1.5 | 5.2 | NNW | 14 | 0.0 | |
| 1.8 | 5.4 | NW | 18 | 0.0 | |
| 1.9 | 6.2 | WNW | 14 | 0.0 | |
| 2.3 | 6.5 | W | 15 | 0.0 | |
| 2.8 | 5.8 | WSW | 19 | 0.0 | |
| 1.3 | 5.9 | WSW | 15 | 0.0 | |
| 1.9 | 6.9 | NW | 11 | 0.0 | |
| 2.2 | 6.1 | W | 17 | 0.0 | |
| 2.3 | 5.9 | SW | 20 | 0.0 | |
| 2.5 | 6.3 | W | 18 | 0.0 | |
| 2.9 | 6 | WNW | 22 | 0.0 | |
| 1.8 | 7 | WSW | 13 | 0.0 | |
| 1.5 | 6.8 | NW | 12 | 0.0 | |
| 1.4 | 5.9 | W | 11 | 0.0 | 
 Realtime data displayed on this page is from the Met
                Office
                Marine observations.