Ch. Lightship wave buoy daily averages for Apr 2013 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
1.3 — 10.5 ft
Average Wave period
8 secs
4 — 13 secs
Average Water temperature
9 °C
7.9 — 9.9 °C
Average Wind
SW, 21 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) |
|---|---|---|---|---|---|
| 7 | 7 | E | 33 | 8.3 | |
| 7 | 7 | ENE | 28 | 8.4 | |
| 6 | 7 | NE | 29 | 8.2 | |
| 7 | 7 | NNE | 33 | 8.0 | |
| 6 | 7 | NNE | 28 | 8.0 | |
| 3 | 6 | NE | 15 | 8.1 | |
| 2 | 6 | ESE | 21 | 8.1 | |
| 6 | 8 | ESE | 23 | 8.1 | |
| 6 | 8 | W | 18 | 8.2 | |
| 7 | 10 | S | 20 | 8.3 | |
| 6 | 8 | SW | 20 | 8.5 | |
| 7 | 8 | WSW | 27 | 8.6 | |
| 6 | 8 | S | 26 | 8.6 | |
| 8 | 9 | S | 23 | 8.6 | |
| 10 | 12 | S | 19 | 8.7 | |
| 8 | 10 | SSW | 20 | 8.7 | |
| 7 | 9 | SSW | 23 | 8.8 | |
| 9 | 9 | W | 26 | 8.8 | |
| 6 | 9 | WNW | 20 | 9.0 | |
| 3 | 8 | ENE | 13 | 9.0 | |
| 3 | 8 | SSW | 12 | 9.1 | |
| 3 | 9 | WSW | 18 | 9.1 | |
| 3 | 7 | WSW | 16 | 9.2 | |
| 2 | 8 | SW | 10 | 9.2 | |
| 2 | 9 | WSW | 9 | 9.2 | |
| 3 | 6 | NNW | 21 | 9.3 | |
| 3 | 6 | N | 23 | 9.3 | |
| 2 | 6 | WSW | 13 | 9.3 | |
| 2 | 6 | WNW | 18 | 9.5 | |
| 2 | 6 | NNE | 17 | 9.5 |