Ch. Lightship wave buoy daily averages for Apr 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
2 ft
0.3 — 4.9 ft
Average Wave period
7 secs
4 — 14 secs
Average Water temperature
11 °C
10.5 — 12.7 °C
Average Wind
NW, 15 mph
2 — 40 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 | 9 | - | 17 | 10.5 | |
| 4 | 9 | - | 7 | 10.9 | |
| 3 | 10 | - | 11 | 10.6 | |
| - | - | - | - | - | |
| 4 | 10 | - | 13 | 10.8 | |
| 2 | 9 | - | 10 | 10.8 | |
| 2 | 11 | SSE | 8 | 10.9 | |
| 2 | 11 | SE | 15 | 10.9 | |
| 2 | 9 | SW | 19 | 10.9 | |
| 2 | 8 | WNW | 16 | 10.9 | |
| 2 | 7 | NNE | 13 | 10.9 | |
| 2 | 5 | W | 21 | 10.9 | |
| 1 | 6 | WNW | 12 | 11.0 | |
| 1 | 6 | WNW | 16 | 11.0 | |
| 2 | 5 | WNW | 20 | 11.0 | |
| 2 | 5 | WNW | 20 | 11.0 | |
| 1 | 5 | WNW | 15 | 11.2 | |
| 2 | 5 | NE | 17 | 11.1 | |
| 1 | 5 | ENE | 16 | 11.1 | |
| 1 | 5 | NNE | 7 | 11.4 | |
| 1 | 8 | WSW | 8 | 11.7 | |
| 1 | 8 | N | 10 | 11.8 | |
| 1 | 7 | SSW | 6 | 11.8 | |
| 1 | 7 | WNW | 13 | 11.6 | |
| 3 | 5 | N | 24 | 11.1 | |
| 2 | 5 | N | 20 | 11.0 | |
| 1 | 6 | NW | 14 | 11.1 | |
| 1 | 5 | WNW | 15 | 11.2 | |
| 1 | 6 | SE | 18 | 11.3 | |
| 4 | 6 | SSE | 22 | 11.3 |