K4 wave buoy daily averages for Mar 2013 last observation shown Data available: to Monthly averages for
Average Wave Height
11 ft
3.9 — 19.7 ft
Average Wave period
7 secs
5 — 10 secs
Average Water temperature
10 °C
10 — 10.7 °C
Average Wind
E, 22 mph
2 — 48 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) |
|---|---|---|---|---|---|
| 7 | 9 | NE | 9 | 10.5 | |
| 5 | 8 | ENE | 6 | 10.6 | |
| 5 | 6 | SE | 13 | 10.5 | |
| 6 | 6 | SSE | 13 | 10.5 | |
| 7 | 8 | ESE | 13 | 10.4 | |
| 12 | 8 | ESE | 22 | 10.4 | |
| 11 | 7 | E | 23 | 10.5 | |
| 12 | 7 | E | 25 | 10.6 | |
| 12 | 7 | E | 25 | 10.6 | |
| 15 | 7 | ENE | 31 | 10.5 | |
| 10 | 6 | ENE | 24 | 10.5 | |
| 5 | 5 | N | 17 | 10.4 | |
| 8 | 6 | NNW | 21 | 10.4 | |
| 9 | 6 | W | 26 | 10.4 | |
| 13 | 8 | WNW | 22 | 10.3 | |
| 12 | 8 | NNE | 17 | 10.3 | |
| 19 | 8 | N | 37 | 10.3 | |
| 17 | 9 | NE | 19 | 10.4 | |
| 12 | 8 | ENE | 21 | 10.3 | |
| 8 | 7 | E | 12 | 10.3 | |
| 13 | 7 | E | 33 | 10.4 | |
| 20 | 8 | E | 33 | 10.3 | |
| 17 | 8 | E | 29 | 10.3 | |
| 13 | 7 | E | 25 | 10.3 | |
| 11 | 7 | E | 25 | 10.3 | |
| 7 | 6 | E | 19 | 10.2 | |
| 6 | 5 | ESE | 18 | 10.2 | |
| 9 | 6 | ESE | 27 | 10.1 | |
| 17 | 8 | ESE | 29 | 10.3 | |
| 14 | 8 | SE | 26 | 10.5 | |
| 16 | 8 | ESE | 28 | 10.1 |