Ch. Lightship wave buoy daily averages for Sep 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
4 ft
1 — 8.9 ft
Average Wave period
8 secs
5 — 13 secs
Average Water temperature
16 °C
15.9 — 17.3 °C
Average Wind
W, 20 mph
3 — 45 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) |
|---|---|---|---|---|---|
| 2 | 7 | N | 14 | 16.7 | |
| 1 | 7 | WNW | 12 | 16.8 | |
| 5 | 7 | S | 25 | 16.5 | |
| 4 | 9 | SW | 15 | 16.6 | |
| 6 | 8 | WSW | 26 | 16.6 | |
| 5 | 7 | W | 23 | 16.5 | |
| 3 | 7 | WSW | 22 | 16.5 | |
| 5 | 6 | WSW | 29 | 16.4 | |
| 5 | 7 | WNW | 26 | 16.3 | |
| 6 | 7 | W | 29 | 16.3 | |
| 8 | 8 | W | 35 | 16.3 | |
| 6 | 7 | WSW | 29 | 16.2 | |
| 7 | 7 | W | 31 | 16.2 | |
| 7 | 7 | WNW | 29 | 16.0 | |
| 3 | 7 | NW | 19 | 16.1 | |
| 2 | 7 | N | 10 | 16.1 | |
| 1 | 7 | NNE | 12 | 16.0 | |
| 2 | 8 | NW | 16 | 16.1 | |
| 2 | 7 | WNW | 17 | 16.1 | |
| 2 | 6 | SSW | 20 | 16.1 | |
| 4 | 6 | WSW | 23 | 16.1 | |
| 3 | 7 | SW | 17 | 16.0 | |
| 4 | 8 | SSE | 17 | 16.1 | |
| 6 | 10 | SSE | 12 | 16.1 | |
| 5 | 10 | NNW | 13 | 16.2 | |
| 3 | 8 | NNE | 9 | 16.2 | |
| 4 | 8 | SSE | 21 | 16.1 | |
| 4 | 8 | SW | 18 | 16.2 | |
| 6 | 9 | WSW | 20 | 16.1 | |
| 7 | 9 | SW | 23 | 16.0 |