K4 wave buoy daily averages for Feb 2011 last observation shown Data available: to Monthly averages for
Average Wave Height
17 ft
7.2 — 27.6 ft
Average Wave period
9 secs
5 — 14 secs
Average Water temperature
11 °C
10 — 11 °C
Average Wind
SW, 21 mph
3 — 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) |
|---|---|---|---|---|---|
| 21 | 10 | WSW | 25 | 11.0 | |
| 20 | 9 | WSW | 28 | 10.9 | |
| 25 | 10 | SSW | 38 | 11.0 | |
| 25 | 10 | WSW | 28 | 11.0 | |
| 21 | 10 | W | 19 | 11.0 | |
| 17 | 10 | WSW | 12 | 11.0 | |
| 12 | 8 | WNW | 15 | 10.8 | |
| 15 | 8 | S | 28 | 10.6 | |
| 18 | 10 | WSW | 17 | 11.0 | |
| 19 | 10 | S | 21 | 11.0 | |
| 19 | 10 | SSW | 21 | 11.0 | |
| 23 | 11 | SSW | 24 | 11.0 | |
| 24 | 12 | W | 9 | 11.0 | |
| 19 | 12 | WNW | 13 | 10.8 | |
| 20 | 11 | ESE | 23 | 10.5 | |
| 18 | 10 | SE | 12 | 11.0 | |
| 10 | 9 | SSW | 11 | 11.0 | |
| 10 | 7 | SSE | 23 | 11.0 | |
| 13 | 8 | S | 20 | 11.0 | |
| 16 | 8 | S | 24 | 11.0 | |
| 11 | 8 | SSW | 15 | 11.0 | |
| 9 | 7 | SSW | 15 | 11.0 | |
| 15 | 8 | SSW | 27 | 11.0 | |
| 21 | 10 | SSW | 29 | 11.0 | |
| 21 | 10 | SW | 26 | 11.0 | |
| 17 | 9 | W | 21 | 11.0 | |
| 17 | 9 | WNW | 16 | 11.0 | |
| 10 | 8 | SW | 16 | 11.0 |