K4 wave buoy daily averages for Feb 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
14 ft
0 — 23 ft
Average Wave period
8 secs
0 — 19 secs
Average Water temperature
11 °C
10.3 — 15.7 °C
Average Wind
SW, 20 mph
0 — 52 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 | S | 22 | 10.6 | |
| 12 | 7 | SE | 16 | 10.6 | |
| 17 | 9 | WSW | 19 | 10.6 | |
| 12 | 8 | SW | 9 | 10.6 | |
| 11 | 8 | WSW | 15 | 10.8 | |
| 15 | 7 | SSW | 22 | 10.6 | |
| 22 | 11 | SW | 18 | 10.6 | |
| 18 | 9 | S | 28 | 10.6 | |
| 21 | 10 | SE | 27 | 10.6 | |
| 15 | 9 | ESE | 14 | 10.6 | |
| 9 | 7 | ENE | 16 | 10.6 | |
| 9 | 6 | ENE | 25 | 10.5 | |
| 12 | 7 | E | 29 | 10.5 | |
| 12 | 7 | ESE | 19 | 10.5 | |
| 10 | 6 | S | 23 | 10.5 | |
| 7 | 6 | SSW | 13 | 10.5 | |
| 8 | 6 | S | 17 | 10.5 | |
| 9 | 7 | SW | 14 | 10.5 | |
| 9 | 7 | WSW | 18 | 10.5 | |
| 11 | 7 | W | 22 | 10.5 | |
| 12 | 7 | WSW | 21 | 10.6 | |
| 14 | 8 | W | 14 | 10.4 | |
| 17 | 8 | NW | 25 | 10.4 | |
| 15 | 8 | SW | 26 | 10.4 | |
| 17 | 8 | WSW | 22 | 10.4 | |
| 18 | 9 | WSW | 25 | 10.6 | |
| 20 | 11 | NW | 14 | 10.4 | |
| 18 | 9 | NNW | 26 | 10.7 |