K4 wave buoy daily averages for Oct 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
12 ft
0 — 21.7 ft
Average Wave period
7 secs
0 — 11 secs
Average Water temperature
13 °C
12 — 16.3 °C
Average Wind
WSW, 19 mph
0 — 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 | 7 | SW | 26 | 13.0 | |
| 18 | 8 | WNW | 27 | 12.9 | |
| 13 | 7 | W | 21 | 12.8 | |
| 12 | 8 | WSW | 21 | 12.9 | |
| 10 | 7 | WNW | 10 | 12.8 | |
| 10 | 7 | SSW | 19 | 12.7 | |
| 10 | 7 | W | 15 | 12.8 | |
| 7 | 6 | SW | 16 | 12.9 | |
| 7 | 6 | WSW | 15 | 13.0 | |
| 14 | 8 | SW | 25 | 13.1 | |
| 14 | 8 | W | 24 | 13.0 | |
| 13 | 7 | SSW | 27 | 12.8 | |
| 16 | 8 | SW | 27 | 12.7 | |
| 14 | 8 | SSW | 16 | 12.5 | |
| 11 | 7 | W | 17 | 12.5 | |
| 13 | 7 | N | 30 | 12.4 | |
| 12 | 8 | WSW | 15 | 12.3 | |
| 10 | 7 | SE | 19 | 12.3 | |
| 10 | 7 | WNW | 19 | 12.4 | |
| 11 | 7 | ENE | 19 | 12.3 | |
| 19 | 9 | NNW | 28 | 12.2 | |
| 13 | 7 | SW | 21 | 12.1 | |
| 15 | 8 | SSW | 22 | 12.1 | |
| 20 | 10 | SW | 18 | 12.2 | |
| 16 | 8 | WSW | 23 | 12.2 | |
| 7 | 7 | NNW | 8 | 12.2 | |
| 4 | 6 | SSE | 11 | 12.2 | |
| 6 | 6 | W | 17 | 12.3 | |
| 7 | 6 | E | 11 | 12.3 | |
| 7 | 6 | SSW | 18 | 12.2 | |
| 8 | 6 | SSW | 19 | 12.3 |