K4 wave buoy daily averages for Mar 2011 last observation shown Data available: to Monthly averages for
Average Wave Height
11 ft
3.9 — 30.2 ft
Average Wave period
8 secs
5 — 12 secs
Average Water temperature
11 °C
10 — 19 °C
Average Wind
SW, 17 mph
2 — 40 mph
About K4 wave buoy
K4 (WMO 62105) is an offshore North Atlantic buoy west/north‑west of the UK (55.4000°N, 12.2000°W). It was positioned to observe storm waves and swell moving toward northern UK waters, supporting marine warning services. It typically measures directional waves and core meteorology (wind/pressure/air temperature).
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 12 | 8 | SW | 21 | 10.0 | |
| 9 | 6 | SSW | 20 | 10.5 | |
| 7 | 7 | SSE | 13 | 10.7 | |
| 6 | 9 | SE | 8 | 11.0 | |
| 6 | 9 | NNE | 7 | 10.6 | |
| 5 | 9 | NNE | 7 | 10.2 | |
| 5 | 8 | NE | 10 | 10.7 | |
| 5 | 7 | SE | 8 | 11.0 | |
| 7 | 8 | SSW | 8 | 10.5 | |
| 8 | 7 | SW | 8 | 10.4 | |
| 12 | 7 | SW | 23 | 10.0 | |
| 11 | 7 | SW | 20 | 10.6 | |
| 9 | 7 | SSW | 19 | 10.7 | |
| 11 | 7 | WSW | 17 | 11.0 | |
| 16 | 9 | WSW | 19 | 11.0 | |
| 15 | 8 | SSW | 27 | 10.7 | |
| 9 | 8 | SW | 13 | 10.5 | |
| 12 | 7 | NE | 16 | 10.4 | |
| 17 | 8 | NNE | 27 | 10.0 | |
| 14 | 9 | NE | 21 | 10.0 | |
| 17 | 9 | W | 19 | 10.3 | |
| 23 | 9 | W | 32 | 10.5 | |
| 24 | 10 | W | 32 | 11.0 | |
| 19 | 9 | W | 30 | 11.3 | |
| 10 | 8 | SW | 18 | 11.0 | |
| 5 | 6 | SW | 11 | 11.0 | |
| 6 | 8 | ESE | 5 | 11.0 | |
| 6 | 7 | N | 9 | 10.9 | |
| 10 | 8 | NNE | 10 | 10.9 | |
| 15 | 9 | NNW | 20 | 11.0 | |
| 14 | 10 | SSW | 17 | 11.0 |