Ch. Lightship wave buoy daily averages for May 2021 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
0.7 — 11.2 ft
Average Wave period
8 secs
5 — 12 secs
Average Water temperature
11 °C
10.1 — 12.2 °C
Average Wind
WSW, 21 mph
0 — 52 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 | 8 | N | 8 | 10.5 | |
| 1 | 8 | WNW | 11 | 10.7 | |
| 3 | 6 | SW | 28 | 10.5 | |
| 7 | 7 | WNW | 28 | 10.5 | |
| 4 | 6 | WNW | 25 | 10.5 | |
| 2 | 9 | NNW | 12 | 10.5 | |
| 3 | 8 | E | 14 | 10.8 | |
| 6 | 7 | S | 30 | 10.7 | |
| 9 | 10 | S | 19 | 10.7 | |
| 7 | 8 | SSW | 24 | 10.7 | |
| 5 | 7 | SSW | 23 | 10.7 | |
| 4 | 8 | SSE | 20 | 10.7 | |
| 5 | 6 | NW | 27 | 10.5 | |
| 4 | 8 | WNW | 14 | 10.8 | |
| 4 | 7 | SW | 23 | 10.8 | |
| 7 | 8 | SW | 27 | 10.8 | |
| 7 | 8 | W | 25 | 10.9 | |
| 4 | 7 | WSW | 20 | 11.0 | |
| 3 | 6 | W | 22 | 11.1 | |
| 5 | 7 | SSW | 27 | 11.0 | |
| 11 | 8 | W | 36 | 11.1 | |
| 7 | 8 | W | 26 | 11.1 | |
| 6 | 7 | SSW | 27 | 11.1 | |
| 8 | 8 | WSW | 31 | 11.1 | |
| 6 | 7 | W | 27 | 11.2 | |
| 4 | 7 | W | 16 | 11.3 | |
| 2 | 7 | ENE | 6 | 11.6 | |
| 3 | 9 | ENE | 12 | 11.6 | |
| 3 | 9 | NE | 13 | 11.6 | |
| 3 | 8 | ENE | 20 | 11.6 | |
| 3 | 9 | ENE | 18 | 11.8 |