K4 wave buoy daily averages for Feb 2020 last observation shown Data available: to Monthly averages for
Average Wave Height
21 ft
0 — 45.3 ft
Average Wave period
9 secs
0 — 14 secs
Average Water temperature
10 °C
9.8 — 12.1 °C
Average Wind
WSW, 31 mph
5 — 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) |
|---|---|---|---|---|---|
| 20 | 9 | W | 38 | 9.9 | |
| 11 | 7 | S | 20 | 10.0 | |
| 12 | 8 | W | 23 | 10.1 | |
| 16 | 8 | WNW | 25 | 10.0 | |
| 15 | 8 | WNW | 28 | 9.9 | |
| 12 | 8 | NW | 22 | 9.8 | |
| 18 | 10 | W | 19 | 9.9 | |
| 30 | 11 | W | 37 | 10.0 | |
| 25 | 10 | WSW | 35 | 10.0 | |
| 24 | 10 | W | 32 | 9.9 | |
| 18 | 9 | SW | 28 | 10.0 | |
| 21 | 9 | W | 28 | 10.1 | |
| 27 | 10 | W | 33 | 10.1 | |
| 33 | 11 | WSW | 43 | 10.1 | |
| 31 | 11 | SSW | 35 | 10.2 | |
| 30 | 11 | SSW | 39 | 10.3 | |
| 16 | 8 | E | 28 | 10.2 | |
| 19 | 9 | W | 42 | 10.1 | |
| 35 | 12 | W | 45 | 10.3 | |
| 37 | 12 | W | 43 | 10.4 | |
| 24 | 10 | WSW | 34 | 10.1 | |
| 20 | 9 | WSW | 28 | 10.0 | |
| 16 | 8 | S | 29 | 10.1 | |
| 16 | 8 | S | 27 | 10.1 | |
| 12 | 7 | S | 24 | 10.1 | |
| 16 | 8 | W | 22 | 10.2 | |
| 23 | 9 | W | 33 | 10.1 | |
| 14 | 7 | SSW | 27 | 10.2 | |
| 19 | 9 | W | 18 | 10.2 |