Ch. Lightship wave buoy monthly averages for 2021 last observation shown Data available: to
Average Wave Height
2 ft
0 — 7.2 ft
Average Wave period
5 secs
0 — 17 secs
Average Water temperature
13 °C
1.1 — 20.6 °C
Average Wind
WNW, 17 mph
0 — 51 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) |
|---|---|---|---|---|---|
| 4 | 7 | NW | 22 | 10.5 | |
| 5 | 9 | NE | 20 | 9.9 | |
| 3 | 9 | NE | 18 | 9.8 | |
| 2 | 7 | NE | 17 | 10.0 | |
| 4 | 8 | W | 19 | 11.0 | |
| 2 | 8 | NW | 13 | 13.5 | |
| 2 | 7 | WSW | 15 | 15.4 | |
| 2 | 4 | W | 14 | 15.7 | |
| 0 | 0 | NW | 13 | 16.5 | |
| 0 | 0 | SW | 18 | 16.0 | |
| 0 | 0 | NW | 17 | 14.5 | |
| 0 | 0 | SW | 22 | 12.5 |