Ch. Lightship wave buoy monthly averages for 2020 last observation shown Data available: to
Average Wave Height
4 ft
0 — 9.8 ft
Average Wave period
7 secs
0 — 18 secs
Average Water temperature
13 °C
9.4 — 31.4 °C
Average Wind
W, 21 mph
0 — 67 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.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 5 | 9 | SW | 22 | 10.9 | |
| 7 | 8 | SW | 27 | 10.3 | |
| 6 | 8 | WSW | 25 | 10.1 | |
| 3 | 8 | ENE | 17 | 10.4 | |
| 3 | 8 | NE | 17 | 11.9 | |
| 3 | 7 | WSW | 17 | 13.9 | |
| 3 | 7 | W | 17 | 15.2 | |
| 3 | 7 | W | 17 | 16.8 | |
| 3 | 7 | NW | 18 | 16.8 | |
| 5 | 7 | W | 26 | 15.5 | |
| 5 | 8 | S | 22 | 13.6 | |
| 6 | 7 | WNW | 25 | 12.1 |