Ch. Lightship wave buoy daily averages for Apr 2018 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
1.6 — 10.8 ft
Average Wave period
9 secs
5 — 15 secs
Average Water temperature
10 °C
9.1 — 11.2 °C
Average Wind
SE, 18 mph
3 — 37 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) |
|---|---|---|---|---|---|
| 3 | 7 | SE | 20 | 9.2 | |
| 5 | 7 | S | 25 | 9.3 | |
| 5 | 8 | S | 22 | 9.4 | |
| 8 | 8 | SW | 31 | 9.4 | |
| 5 | 9 | SE | 19 | 9.4 | |
| 6 | 8 | SE | 22 | 9.4 | |
| 7 | 10 | WNW | 15 | 9.5 | |
| 4 | 10 | N | 10 | 9.6 | |
| 3 | 10 | ENE | 14 | 9.5 | |
| 5 | 11 | NE | 12 | 9.6 | |
| 4 | 10 | ENE | 17 | 9.7 | |
| 3 | 9 | NE | 17 | 9.6 | |
| 3 | 12 | SSW | 7 | 9.7 | |
| 4 | 10 | E | 15 | 9.6 | |
| 5 | 9 | S | 19 | 9.6 | |
| 8 | 10 | S | 19 | 9.8 | |
| 8 | 9 | SSE | 27 | 9.8 | |
| 9 | 12 | ESE | 19 | 10.1 | |
| 6 | 10 | WNW | 8 | 10.2 | |
| 4 | 10 | N | 10 | 10.3 | |
| 3 | 10 | ENE | 16 | 10.3 | |
| 2 | 8 | SW | 17 | 10.2 | |
| 2 | 8 | W | 18 | 10.3 | |
| 3 | 7 | SW | 23 | 10.2 | |
| 4 | 6 | W | 24 | 10.3 | |
| 5 | 7 | WSW | 21 | 10.3 | |
| 5 | 8 | SE | 19 | 10.3 | |
| 3 | 8 | N | 11 | 10.4 | |
| 3 | 6 | NNE | 25 | 10.3 | |
| 4 | 6 | NNW | 25 | 10.2 |