K4 wave buoy daily averages for Oct 2012 last observation shown Data available: to Monthly averages for
Average Wave Height
10 ft
3.9 — 18 ft
Average Wave period
6 secs
0 — 10 secs
Average Water temperature
13 °C
11.9 — 13.5 °C
Average Wind
N, 17 mph
3 — 36 mph
Chart showing grouped wave observations for K4. Use the table on this page for a text version of the same measurements.
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) |
|---|---|---|---|---|---|
| 16 | 9 | WSW | 23 | 13.1 | |
| 11 | 7 | W | 20 | 13.0 | |
| 10 | 7 | NW | 14 | 13.3 | |
| 7 | 6 | WNW | 14 | 13.1 | |
| 7 | 6 | NNW | 15 | 13.2 | |
| 6 | 7 | NNW | 10 | 13.1 | |
| 6 | 7 | ENE | 9 | 13.0 | |
| 8 | 6 | ENE | 20 | 13.1 | |
| 7 | 7 | ENE | 11 | 13.0 | |
| 7 | 6 | SE | 18 | 12.9 | |
| 10 | 7 | W | 17 | 12.8 | |
| 13 | 6 | W | 11 | 12.8 | |
| 9 | 8 | WNW | 9 | 12.8 | |
| 10 | 4 | NE | 15 | 12.7 | |
| 9 | 7 | E | 17 | 12.7 | |
| 11 | 8 | NNW | 12 | 12.7 | |
| 13 | 7 | NNE | 27 | 12.5 | |
| 15 | 7 | N | 29 | 12.3 | |
| 9 | 3 | NE | 14 | 12.3 | |
| 5 | 3 | SE | 17 | 12.3 | |
| 14 | 5 | SSE | 22 | 12.2 | |
| 10 | 5 | SE | 17 | 12.3 | |
| 5 | 6 | E | 10 | 12.3 | |
| 5 | 5 | NE | 16 | 12.3 | |
| 7 | 5 | NE | 22 | 12.2 | |
| 9 | 6 | NE | 21 | 12.2 | |
| 10 | 8 | WNW | 16 | 12.1 | |
| 13 | 4 | NNW | 22 | 12.1 | |
| 15 | 7 | N | 23 | 12.0 | |
| 11 | 4 | W | 27 | 12.0 | |
| 12 | 7 | NNW | 19 | 12.0 |