Ch. Lightship wave buoy daily averages for Jul 2021 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0.3 — 4.9 ft
Average Wave period
7 secs
5 — 15 secs
Average Water temperature
15 °C
13.7 — 20.6 °C
Average Wind
WSW, 15 mph
0 — 40 mph
Chart showing grouped wave observations for Ch. Lightship. Use the table on this page for a text version of the same measurements.
About Ch. Lightship wave buoy
Channel Lightship (WMO 62103) is a long‑running offshore observation station in the English Channel (49.9170°N, 2.8830°W). It is positioned to monitor conditions on a major shipping route and to capture swell and wind sea entering the Channel. It reports directional wave statistics (height/period/direction) and standard meteorology (wind, pressure, air/sea temperature) for forecasts.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 1 | 6 | W | 11 | 14.5 | |
| 1 | 7 | NE | 9 | 14.4 | |
| 2 | 7 | SSW | 15 | 14.5 | |
| 4 | 7 | SSW | 22 | 14.4 | |
| 3 | 7 | SSW | 16 | 14.3 | |
| 4 | 7 | SW | 26 | 14.0 | |
| 4 | 7 | SW | 21 | 14.0 | |
| 3 | 7 | WSW | 16 | 14.5 | |
| 2 | 7 | SSW | 12 | 14.9 | |
| 2 | 7 | ESE | 12 | 15.2 | |
| 2 | 8 | SE | 14 | 15.1 | |
| 2 | 8 | NW | 10 | 15.0 | |
| 3 | 8 | WNW | 16 | 14.8 | |
| 2 | 6 | WNW | 16 | 14.9 | |
| 2 | 7 | NW | 11 | 15.1 | |
| 1 | 8 | NNW | 7 | 15.9 | |
| 1 | 9 | NNE | 11 | 16.1 | |
| 1 | 9 | NE | 12 | 16.0 | |
| 1 | 9 | ENE | 11 | 16.9 | |
| 1 | 9 | ENE | 8 | 18.1 | |
| 1 | 9 | ENE | 5 | 19.1 | |
| 1 | 8 | E | 17 | 18.9 | |
| 3 | 7 | ENE | 26 | 16.1 | |
| 2 | 6 | ENE | 17 | 15.2 | |
| 1 | 8 | NW | 12 | 15.2 | |
| 1 | 7 | W | 14 | 15.5 | |
| 2 | 7 | SW | 19 | 15.1 | |
| 4 | 6 | WSW | 23 | 14.8 | |
| 3 | 7 | SW | 16 | 14.8 | |
| 4 | 7 | WSW | 27 | 14.8 | |
| 3 | 7 | W | 18 | 15.0 |