K4 wave buoy daily averages for Sep 2015 last observation shown Data available: to Monthly averages for
Average Wave Height
8 ft
3.3 — 18.4 ft
Average Wave period
6 secs
4 — 9 secs
Average Water temperature
14 °C
12.7 — 14.2 °C
Average Wind
W, 18 mph
2 — 31 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 | 7 | ENE | 6 | 13.1 | |
| 10 | 7 | S | 15 | 13.5 | |
| 11 | 6 | S | 28 | 13.5 | |
| 11 | 7 | S | 25 | 13.6 | |
| 8 | 6 | S | 26 | 13.5 | |
| 9 | 7 | SW | 16 | 13.3 | |
| 16 | 8 | W | 26 | 13.2 | |
| 10 | 6 | W | 24 | 13.5 | |
| 10 | 7 | W | 16 | 13.6 | |
| 10 | 7 | WNW | 15 | 13.7 | |
| 9 | 7 | SW | 18 | 13.8 | |
| 6 | 5 | S | 21 | 13.9 | |
| 6 | 6 | NW | 10 | 13.9 | |
| 8 | 6 | NNW | 17 | 13.7 | |
| 7 | 6 | NW | 15 | 13.3 | |
| 6 | 6 | NW | 15 | 13.2 | |
| 7 | 6 | N | 20 | 13.6 | |
| 6 | 6 | WNW | 11 | 13.7 | |
| 7 | 6 | NW | 19 | 13.6 | |
| 9 | 7 | NW | 17 | 13.7 | |
| 11 | 7 | SSE | 24 | 13.6 | |
| 12 | 7 | SSE | 25 | 13.6 | |
| 8 | 6 | SSE | 22 | 13.7 | |
| 4 | 6 | SSE | 13 | 13.8 | |
| 4 | 7 | WNW | 5 | 13.8 | |
| 5 | 6 | NNW | 12 | 13.6 | |
| 6 | 5 | NNW | 18 | 13.6 | |
| 6 | 5 | N | 18 | 13.4 | |
| 4 | 5 | N | 15 | 13.5 |