K4 wave buoy daily averages for Apr 2015 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
3.6 — 8.5 ft
Average Wave period
9 secs
7 — 12 secs
Average Water temperature
11 °C
10.1 — 10.8 °C
Average Wind
NE, 10 mph
2 — 15 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) |
|---|---|---|---|---|---|
| 5 | 9 | N | 7 | 10.2 | |
| 7 | 10 | NE | 10 | 10.6 | |
| 4 | 9 | ENE | 10 | 10.6 | |
| 5 | 8 | SW | 9 | 10.6 | |
| 6 | 9 | SW | 12 | 10.5 |