Ch. Lightship wave buoy monthly averages for 2018 last observation shown Data available: to
Average Wave Height
4 ft
0.7 — 9.2 ft
Average Wave period
8 secs
5 — 14 secs
Average Water temperature
13 °C
8.2 — 18.4 °C
Average Wind
WNW, 19 mph
2 — 46 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) |
|---|---|---|---|---|---|
| 7 | 8 | WSW | 25 | 11.0 | |
| 6 | 8 | N | 26 | 9.7 | |
| 5 | 8 | SW | 23 | 9.1 | |
| 4 | 9 | N | 18 | 9.9 | |
| 3 | 8 | NNE | 14 | 11.4 | |
| 2 | 8 | NE | 15 | 13.2 | |
| 2 | 7 | WSW | 12 | 15.8 | |
| 3 | 7 | W | 15 | - | |
| 3 | 7 | W | 17 | 16.2 | |
| 4 | 8 | N | 19 | 15.9 | |
| 6 | 8 | SSE | 23 | 14.1 | |
| 6 | 9 | SW | 22 | 12.4 |