K4 wave buoy daily averages for Nov 2010 last observation shown Data available: to Monthly averages for
Average Wave Height
12 ft
3.6 — 26.2 ft
Average Wave period
7 secs
5 — 12 secs
Average Water temperature
12 °C
11 — 13 °C
Average Wind
NNW, 19 mph
0 — 45 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) |
|---|---|---|---|---|---|
| 12 | 7 | SW | 24 | 13.0 | |
| 21 | 10 | W | 30 | 13.0 | |
| 15 | 9 | WSW | 16 | 13.0 | |
| 11 | 7 | WSW | 22 | 12.3 | |
| 11 | 8 | NNW | 16 | 12.0 | |
| 9 | 7 | NW | 18 | 12.0 | |
| 11 | 7 | WSW | 21 | 12.0 | |
| 24 | 11 | N | 25 | 12.0 | |
| 16 | 9 | NNE | 16 | 12.0 | |
| 8 | 7 | SW | 15 | 12.0 | |
| 19 | 8 | WSW | 36 | 11.9 | |
| 17 | 9 | W | 24 | 12.0 | |
| 12 | 7 | W | 18 | 12.0 | |
| 10 | 7 | NE | 15 | 12.0 | |
| 8 | 7 | W | 16 | 11.4 | |
| 12 | 7 | SSE | 27 | 11.0 | |
| 21 | 9 | ESE | 29 | 11.0 | |
| 15 | 8 | NW | 21 | 11.3 | |
| 8 | 7 | SSW | 12 | 11.8 | |
| 5 | 7 | E | 7 | 11.3 | |
| 4 | 6 | ENE | 8 | 12.0 | |
| 4 | 5 | NE | 11 | 11.7 | |
| 4 | 6 | N | 7 | 11.4 | |
| 7 | 6 | NNE | 15 | 11.0 | |
| 10 | 7 | N | 21 | 11.0 | |
| 13 | 7 | N | 26 | 11.0 | |
| 18 | 8 | NNE | 28 | 11.0 | |
| 12 | 7 | NE | 21 | 11.0 | |
| 12 | 7 | E | 19 | 11.0 | |
| 8 | 6 | ENE | 15 | 11.0 |