K4 wave buoy daily averages for May 2011 last observation shown Data available: to Monthly averages for
Average Wave Height
11 ft
5.2 — 32.2 ft
Average Wave period
7 secs
5 — 11 secs
Average Water temperature
11 °C
11 — 11.9 °C
Average Wind
SW, 21 mph
2 — 53 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) |
|---|---|---|---|---|---|
| 10 | 7 | SW | 22 | 11.2 | |
| 10 | 7 | W | 17 | 11.2 | |
| 14 | 8 | W | 23 | 11.1 | |
| 14 | 8 | W | 22 | 11.1 | |
| 9 | 6 | WSW | 20 | 11.2 | |
| 14 | 7 | NNW | 25 | 11.3 | |
| 15 | 8 | S | 22 | 11.4 | |
| 14 | 8 | W | 21 | 11.4 | |
| 21 | 9 | WSW | 34 | 11.5 | |
| 11 | 7 | W | 19 | 11.5 | |
| 13 | 7 | SW | 20 | 11.5 | |
| 16 | 8 | WSW | 26 | 11.5 | |
| 13 | 7 | WSW | 22 | 11.4 | |
| 20 | 9 | W | 28 | 11.5 | |
| 9 | 6 | WSW | 18 | 11.7 | |
| 11 | 7 | W | 18 | 11.6 | |
| 10 | 6 | W | 23 | 11.5 | |
| 9 | 6 | WNW | 22 | 11.6 | |
| 8 | 6 | WNW | 17 | 11.6 | |
| 11 | 7 | W | 22 | 11.6 | |
| 9 | 6 | WSW | 20 | 11.6 | |
| 9 | 7 | SW | 19 | 11.5 | |
| 13 | 7 | SSE | 23 | 11.6 | |
| 10 | 7 | SE | 22 | 11.7 | |
| 8 | 6 | SE | 17 | 11.7 | |
| 9 | 6 | SSE | 21 | 11.6 | |
| 6 | 6 | SSE | 14 | 11.5 | |
| 9 | 6 | SE | 19 | 11.5 | |
| 9 | 6 | ESE | 23 | 11.5 | |
| 7 | 5 | E | 19 | 11.6 | |
| 7 | 6 | E | 15 | 11.6 |