K4 wave buoy daily averages for Dec 2014 last observation shown Data available: to Monthly averages for
Average Wave Height
16 ft
2 — 31.8 ft
Average Wave period
8 secs
3 — 12 secs
Average Water temperature
11 °C
6.4 — 11.8 °C
Average Wind
W, 23 mph
5 — 44 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) |
|---|---|---|---|---|---|
| 13 | 8 | WNW | 21 | 11.7 | |
| 16 | 9 | W | 20 | 11.7 | |
| 16 | 9 | WSW | 19 | 11.6 | |
| 16 | 9 | W | 24 | 11.6 | |
| 18 | 9 | WNW | 24 | 11.5 | |
| 18 | 8 | WSW | 29 | 11.6 | |
| 25 | 10 | WNW | 32 | 11.6 | |
| 18 | 9 | W | 25 | 11.6 | |
| 21 | 8 | WSW | 37 | 11.7 | |
| - | - | - | - | - | |
| 25 | 10 | WNW | 25 | 11.5 | |
| 19 | 9 | NNW | 23 | 11.4 | |
| 17 | 9 | W | 24 | 11.3 | |
| 25 | 10 | W | 31 | 11.3 | |
| 18 | 9 | WNW | 21 | 11.3 | |
| 14 | 8 | WSW | 23 | 11.2 | |
| 16 | 8 | W | 21 | 11.2 | |
| 23 | 10 | W | 27 | 11.0 | |
| 27 | 10 | W | 32 | 10.8 | |
| 18 | 8 | WSW | 24 | 11.0 | |
| 16 | 8 | WSW | 27 | 10.9 | |
| 21 | 10 | W | 22 | 10.8 | |
| 17 | 9 | W | 20 | 10.7 | |
| 15 | 8 | WNW | 25 | 10.7 | |
| 11 | 7 | WNW | 17 | 10.6 | |
| 7 | 6 | NW | 14 | 10.5 | |
| 11 | 7 | NNW | 25 | 10.7 | |
| 9 | 8 | E | 12 | 10.6 | |
| 4 | 7 | SE | 17 | 9.1 | |
| 2 | 4 | SSW | 10 | 6.5 | |
| - | - | - | - | - |