Ch. Lightship wave buoy daily averages for Dec 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
6 ft
1 — 12.8 ft
Average Wave period
8 secs
5 — 12 secs
Average Water temperature
12 °C
11.3 — 13.1 °C
Average Wind
W, 26 mph
3 — 55 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) |
|---|---|---|---|---|---|
| 5 | 6 | N | 32 | 12.9 | |
| 2 | 5 | N | 15 | 12.9 | |
| 2 | 5 | NNW | 21 | 13.1 | |
| 1 | 6 | NW | 15 | 13.1 | |
| 2 | 9 | W | 11 | 13.0 | |
| 4 | 7 | SSW | 27 | 13.0 | |
| 10 | 8 | SW | 35 | 13.0 | |
| 7 | 7 | NW | 36 | 12.5 | |
| 3 | 7 | W | 18 | 12.4 | |
| 8 | 7 | WSW | 32 | 12.4 | |
| 10 | 8 | N | 32 | 12.2 | |
| 6 | 10 | W | 20 | 12.1 | |
| 8 | 7 | W | 36 | 12.3 | |
| 11 | 8 | W | 39 | 12.0 | |
| 8 | 8 | NW | 33 | 12.0 | |
| 4 | 6 | NW | 25 | 11.9 | |
| 4 | 6 | WNW | 23 | 12.0 | |
| 4 | 7 | NNE | 15 | 12.0 | |
| 3 | 9 | SW | 14 | 11.9 | |
| 4 | 10 | W | 16 | 12.0 | |
| 4 | 9 | W | 21 | 12.0 | |
| 4 | 8 | WNW | 13 | 12.0 | |
| 3 | 8 | WSW | 16 | 12.0 | |
| 4 | 6 | WSW | 25 | 11.9 | |
| 7 | 7 | SSW | 33 | 11.9 | |
| 8 | 8 | WSW | 33 | 11.7 | |
| 10 | 8 | NW | 36 | 11.5 | |
| 5 | 9 | WNW | 20 | 11.4 | |
| 8 | 8 | WSW | 34 | 11.5 | |
| 11 | 9 | WSW | 35 | 11.7 | |
| 12 | 9 | SW | 34 | 11.8 |