K4 wave buoy daily averages for Dec 2012 last observation shown Data available: to Monthly averages for
Average Wave Height
14 ft
6.6 — 42.3 ft
Average Wave period
8 secs
6 — 13 secs
Average Water temperature
11 °C
10.7 — 11.3 °C
Average Wind
SW, 23 mph
0 — 52 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) |
|---|---|---|---|---|---|
| 19 | 9 | WNW | 30 | 10.7 | |
| 25 | 10 | WSW | 31 | 10.8 | |
| 27 | 10 | W | 34 | 10.9 | |
| 22 | 9 | SSW | 38 | 10.9 | |
| 15 | 9 | WSW | 19 | 10.9 | |
| 13 | 7 | WSW | 21 | 10.9 | |
| 11 | 7 | WNW | 23 | 10.9 | |
| 10 | 8 | WSW | 13 | 10.9 | |
| 13 | 7 | WSW | 23 | 11.1 | |
| 11 | 7 | SW | 17 | 11.0 | |
| 9 | 7 | S | 22 | 11.1 | |
| 12 | 8 | S | 15 | 11.1 | |
| 15 | 7 | SSE | 29 | 11.0 | |
| 10 | 7 | SSE | 22 | 11.0 | |
| 13 | 9 | WNW | 13 | 11.1 | |
| 13 | 9 | SW | 17 | 11.3 | |
| 14 | 9 | WSW | 21 | 11.1 | |
| 15 | 8 | SW | 25 | 11.0 | |
| 14 | 8 | SE | 30 | 11.1 | |
| 13 | 8 | SE | 27 | 11.1 | |
| 13 | 7 | SSE | 27 | 11.1 | |
| 11 | 7 | ESE | 24 | 11.1 | |
| 8 | 7 | NE | 12 | 11.1 | |
| 8 | 6 | W | 18 | 11.2 | |
| 12 | 7 | NW | 13 | 11.2 | |
| 16 | 7 | WNW | 31 | 11.2 | |
| 11 | 7 | WSW | 14 | 11.2 | |
| 20 | 9 | NW | 28 | 11.2 | |
| 18 | 8 | W | 27 | 11.1 | |
| 16 | 9 | WSW | 20 | 11.1 | |
| 9 | 7 | SE | 14 | 11.1 |